Topic Reacting masses Level GCSE Outcomes 1. To calculate reacting masses 2. To set out mole calculations in a grid format

Size: px
Start display at page:

Download "Topic Reacting masses Level GCSE Outcomes 1. To calculate reacting masses 2. To set out mole calculations in a grid format"

Transcription

1 Topic Reacting masses Level GCSE Outcomes 1. To calculate reacting masses 2. To set out mole calculations in a grid format Problems on Reacting Masses of Solids Section 1 1. What is the mass of magnesium oxide is formed by the complete combustion of 24 g of magnesium? Reaction 2Mg + O 2 2MgO 2. What is the mass of magnesium oxide is formed by the complete combustion of 6 g of magnesium? Reaction 2Mg + O 2 2MgO 3. What mass of carbon dioxide is formed by the complete combustion of 12 g of carbon? 4. What mass of carbon dioxide is formed by the complete combustion of 4 g of carbon? 5. Calculate the mass of sulphur that must be burned to give 64 g of sulphur dioxide. resources for science teachers who like to think

2 6. Calculate the mass of sulphur that must be burned to give 8 g of sulphur dioxide. 7. Calculate the mass of sulphur that must be burned to give 100 g of sulphur dioxide. 8. In the reduction of copper(ii) oxide by hydrogen, according the equation below, what mass of copper can be obtained from (i) 79.5 g of copper oxide (ii) 15.9 g of copper oxide (i) Reaction CuO + H 2 Cu + H 2 O (ii) Reaction CuO + H 2 Cu + H 2 O 9. What mass of carbon dioxide can be produced by the heating of 10 g 0f calcium carbonate? Reaction CaCO 3 CaO + CO What is the mass of hydrogen can be made by reacting 12 g of magnesium with an excess of dilute sulphuric acid? Reaction Mg + H 2 SO 4 MgSO 4 + H 2

3 11. What mass of carbon can be completely burned in 32 g of oxygen? 12. What mass of iron must be heated with excess sulphur to produce 4.4 g of iron (II) sulphide? Section 2 Reaction Fe + S FeS 1. Calculate the mass of carbon you would need to reduce 15.9 g of copper (II) oxide to copper by the following reaction. Reaction CuO + C Cu + CO 2. Iron will react with chlorine to form iron (III) chloride. Find the mass of iron (III) chloride that can be obtained from 8 g of iron. Reaction 2Fe + 3Cl 2 2FeCl 3 3. A mixture of 8 g of iron and 4 g of sulphur is heated, and the element reacts to form iron (II) sulphide, FeS. How much iron will be left over at the end of the reaction? Reaction Fe + S FeS Left over iron =

4 4. What mass of lead (II) oxide is obtained by heating 33.1 g of lead (II) nitrate in the following reaction? Reaction 2Pb(NO 3 ) 2 2PbO + 4NO 2 + O 2

5 Calculate the mass of carbon dioxide you can obtain by the action of acid on 15 g of calcium carbonate in the following reaction. Reaction CaCO 3 CaO + CO 2 5. Calculate the mass of sodium hydroxide you would need to neutralise a solution containing 7.3 g of hydrogen chloride. Reaction NaOH + HCl NaCl + H 2 O 6. Find how many grams of sodium sulphate are formed when 49 g of sulphuric acid are dissolved and neutralised by sodium hydroxide solution. Reaction 2NaOH + H 2 SO 4 Na 2 SO 4 + H 2 O 7. What mass of zinc chloride is formed when 13 g of zinc are completely converted into the chloride. Reaction Zn + Cl 2 ZnCl 2 8. Calculate the mass of potassium chloride formed when a solution containing 8.00 g sodium hydroxide is neutralised with hydrochloric acid. Reaction NaOH + HCl NaCl + H 2 O 9. Calculate how much sodium nitrate you need to give 126 g of nitric acid by the following reaction. Reaction NaNO 3 + H 2 SO 4 HNO 3 + NaHSO 4

Exercise 6a. Balancing equations

Exercise 6a. Balancing equations Exercise 6a Balancing equations Balance the following equations. To get you started _ indicates the first six questions where numbers need to be inserted to achieve the balance. In one or two difficult

More information

Oxidation and Reduction

Oxidation and Reduction Oxidation and Reduction An oxidation reaction is one in which oxygen is added to a substance. Example: Methane is oxidised when it burns in air. Oxygen is added to the carbon in methane, forming carbon

More information

Balance the following equations: 1. Al + N 2 AlN. 2. Fe + O 2 Fe 3 O CaCO 3 CaO + CO 2 4. NH 4 NO 3 N 2 O + H 2 O. 5. KI + Cl 2 KCl + I 2

Balance the following equations: 1. Al + N 2 AlN. 2. Fe + O 2 Fe 3 O CaCO 3 CaO + CO 2 4. NH 4 NO 3 N 2 O + H 2 O. 5. KI + Cl 2 KCl + I 2 Balance the following equations: 1. Al + N 2 AlN 2. Fe + O 2 Fe 3 O 4 3. CaCO 3 CaO + CO 2 4. NH 4 NO 3 N 2 O + H 2 O 5. KI + Cl 2 KCl + I 2 6. Pb(NO 3 ) 2 + HCl PbCl 2 + HNO 3 7. BaO 2 BaO + O 2 8. Al

More information

1. How many moles of calcium chloride are there in a sample containing x particles? l

1. How many moles of calcium chloride are there in a sample containing x particles? l 1. How many moles of calcium chloride are there in a sample containing 1.0038x 10 22 particles? l 2. A sample of water contains 3.01x10 23 water molecules a. How many moles of water molecules are present

More information

JSUNIL TUTORIAL, SAMASTIPUR

JSUNIL TUTORIAL, SAMASTIPUR Chapter 1 Chemical Reactions and Equations Q 1. Why should a magnesium ribbon be cleaned before burning in air? Ans. Before burning in air, the magnesium ribbon is cleaned by rubbing with a sandpaper.

More information

1. Which of the given statements about the reaction below are incorrect?

1. Which of the given statements about the reaction below are incorrect? 1. Which of the given statements about the reaction below are incorrect? 2PbO(s) + C(s) 2Pb(s) + CO 2 (g) a. Lead is getting reduced b. Carbon dioxide is getting oxidised c. Carbon is getting oxidised

More information

Warm Up (Sept 12) How will an atom change if you change the number of: a) Protons?

Warm Up (Sept 12) How will an atom change if you change the number of: a) Protons? Warm Up (Sept 12) How will an atom change if you change the number of: a) Protons? b) Electrons? c) Neutrons? 1 CH3OS Warm Up (Sept 13) 1. What is an isotope? 2. Neon has two major isotopes, Neon 20 and

More information

What is: (a) aqua fortis, (b) aqua regia (c) Fixation of Nitrogen?

What is: (a) aqua fortis, (b) aqua regia (c) Fixation of Nitrogen? EXERCISE.1 Question 1: What is: (a) aqua fortis, (b) aqua regia (c) Fixation of Nitrogen? Solution 1: Book Name: Selina concise (a) Aqua fortis: Nitric acid is called aqua fortis. Aqua fortis means strong

More information

Stoichiometric Calculations 1. The weight of calcium carbonate required to produce carbon-dioxide that is sufficient for conversion of one 0.1 mole sodium carbonate to sodium bicarbonate is 1) 1gm 2) 10gm

More information

GraspIT AQA GCSE Chemical changes

GraspIT AQA GCSE Chemical changes A. Reactivity of metals The reactivity series, metal oxides and extractions 1. Three metals, X, Y and Z were put into water. The reactions are shown below: a) Use the diagrams to put metals X, Y and Z

More information

Compiled by Rahul Arora What do you mean by corrosion? How can you prevent it?

Compiled by Rahul Arora What do you mean by corrosion? How can you prevent it? Rahul Arora 12. What do you mean by corrosion? How can you prevent it? 13. MnO2 + 4HCl MnCl2 + 2H2O + Cl2 In the above equation, name the compound which is oxidized and which is reduced? 14. Match the

More information

ICSE-Science 2 (Chemistry) 1996

ICSE-Science 2 (Chemistry) 1996 ICSE-Science 2 (Chemistry) 1996 Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading

More information

Question Answer Notes Marks number 1 (a) (i) Any two from: 2 M1 calcium/solid/it disappears

Question Answer Notes Marks number 1 (a) (i) Any two from: 2 M1 calcium/solid/it disappears Answer Notes Marks (a) (i) Any two from: M calcium/solid/it disappears ACCEPT dissolves / gets smaller IGNORE mass decreases M bubbles (of gas) / fizzing / effervescence ACCEPT gas given off IGNORE hydrogen

More information

ICSE-Science 2 (Chemistry) 2000

ICSE-Science 2 (Chemistry) 2000 ICSE-Science 2 (Chemistry) 2000 Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading

More information

Chapter 12 Reactivity of Metals 12.1 Different Reactivities of Metals Recall an experiment performed in F.3

Chapter 12 Reactivity of Metals 12.1 Different Reactivities of Metals Recall an experiment performed in F.3 Chapter 12 Reactivity of Metals 12.1 Different Reactivities of Metals Recall an experiment performed in F.3 p.1/9 When freshly cut, potassium has a shiny surface and it reacts vigorously with water, giving

More information

GraspIT AQA GCSE Chemical changes

GraspIT AQA GCSE Chemical changes A. Reactivity of metals The reactivity series, metal oxides and extractions 1. Three metals, X, Y and Z were put into water. The reactions are shown below: a) Use the diagrams to put metals X, Y and Z

More information

The Reactivity Series

The Reactivity Series The Reactivity Series 1 of 33 Boardworks Ltd 2016 The Reactivity Series 2 of 33 Boardworks Ltd 2016 What is the reactivity series 3 of 33 Boardworks Ltd 2016 It is possible to arrange a group of elements

More information

Chemical reactions and electrolysis

Chemical reactions and electrolysis Chemical reactions and electrolysis Higher Revision Questions Name: Class: Date: Time: 95 minutes Marks: 95 marks Comments: Page of 29 (a) Magnesium metal is shaped to make magnesium ribbon. Explain why

More information

Quantitive Chemistry Question paper

Quantitive Chemistry Question paper Quantitive Chemistry Question paper Level Subject Exam Board Topic Sub-Topic Booklet GCSE Chemistry CCEA Quantitative Chemistry Quantitive Chemistry Question paper Time Allowed: 93 minutes Score: /77 Percentage:

More information

21. sodium nitrite 31. potassium carbonate. 23. aluminum hydroxide 33. nickel (II) carbonate. 24. ammonium hydroxide 34.

21. sodium nitrite 31. potassium carbonate. 23. aluminum hydroxide 33. nickel (II) carbonate. 24. ammonium hydroxide 34. N.E. Packet 1 Nomenclature WS 1 (Ionic Compounds) Name: Date: Per: Write the name for each of the following compounds. 1. CaCO 3 11. BaSO 4 2. FeO 12. Zn(NO 3 ) 2 3. K 2 SO 3 13. CuSO 4 4. AgCl 14. AlCl

More information

6 METALS & NON METALS

6 METALS & NON METALS Grade-8 Chemistry Chapter- 6 METALS & NON METALS 1. What happens in each of the following cases? a) Magnesium is burnt in oxygen. Ans: When magnesium burns in oxygen it produces magnesium oxide with dazzling

More information

Q1. From the following list of substances, choose the substances which meet the description given in parts (i) to (v) below :

Q1. From the following list of substances, choose the substances which meet the description given in parts (i) to (v) below : Questions:- Q1. From the following list of substances, choose the substances which meet the description given in parts (i) to (v) below : Ammonium chloride, ammonium nitrate, chlorine, dilute hydrochloric

More information

I. PHYSICAL PROPERTIES. PROPERTY METALS NON-METALS 1.Lustre Metals have shining surface. They do not have shining surface.

I. PHYSICAL PROPERTIES. PROPERTY METALS NON-METALS 1.Lustre Metals have shining surface. They do not have shining surface. Elements can be classified as metals and non-metals on the basis of their properties. Example of some metals are : Iron (Fe), Aluminium (Al), Silver (Ag), Copper (Cu) Examples of some non-metals are :

More information

Chemistry Test Paper

Chemistry Test Paper Chemistry Test Paper [Time:1 1 hrs] [M. Marks : 80] 2 Answers to this paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is

More information

Chapter 3: Metals and Non-metals Question 1: Define amphoteric oxides. Give two examples. Answer: Oxides that react with both acids and bases to form

Chapter 3: Metals and Non-metals Question 1: Define amphoteric oxides. Give two examples. Answer: Oxides that react with both acids and bases to form Chapter 3: Metals and Non-metals Question 1: Define amphoteric oxides. Give two examples. Oxides that react with both acids and bases to form salt and water are known as amphoteric oxides. Examples: PbO

More information

TWEED RIVER HIGH SCHOOL 2006 PRELIMINARY CHEMISTRY. Unit 2 Metals

TWEED RIVER HIGH SCHOOL 2006 PRELIMINARY CHEMISTRY. Unit 2 Metals TWEED RIVER HIGH SCHOOL 2006 PRELIMINARY CHEMISTRY Unit 2 Metals Part 2 Metals differ in their reactivity with other chemicals and this influences their uses. Describe observable changes when metals react

More information

Oxygen Formula: O 2 Bonding: covalent Appearance: colourless gas. Oxygen is one of the two main gases in our atmosphere, the other being nitrogen.

Oxygen Formula: O 2 Bonding: covalent Appearance: colourless gas. Oxygen is one of the two main gases in our atmosphere, the other being nitrogen. Composition of the air Air is a mixture of gases. The approximate amount if each gas in dry air is shown in the pie chart (right), but you should be aware that air also contains a variable amount of water

More information

Name: Date: Period: Page: Predicting Products. Predict the products, and balance each reaction. Use the reaction type as a hint.

Name: Date: Period: Page: Predicting Products. Predict the products, and balance each reaction. Use the reaction type as a hint. Name: Date: Period: Page: Predicting Products Predict the products, and balance each reaction. Use the reaction type as a hint. For reactions with a transition metal, the most likely charge on the metal

More information

CHEMISTRY PAPER 1998

CHEMISTRY PAPER 1998 CHEMISTRY PAPER 1998 (One Hour and a Half) Answer to this paper must be written on the paper provided separately. You will NOT be allowed to write during the first 15 minutes. This time is to be spent

More information

SECTION I (40 Marks) Attempt all questions from this Section

SECTION I (40 Marks) Attempt all questions from this Section General Instructions 1. SECTION I (40 Marks) Attempt all questions from this Section Question 1 (a) Chlorine is subject of the following questions: [5] i. What is the atomicity of chlorine? ii. Name the

More information

Metals and Non-metals

Metals and Non-metals Metals and Non-metals Q.1. Define amphoteric oxides. Give two examples. Oxides that react with both acids and bases to form salt and water are known as amphoteric oxides. Examples: PbO and Al2O3. Q.2.

More information

Our country, our future S2 CHEMISTRY DURATION: 2 HOUR

Our country, our future S2 CHEMISTRY DURATION: 2 HOUR Our country, our future S2 CHEMISTRY Exam 1 DURATION: 2 HOUR INSTRUCTIONS: This paper consists of two sections A and B, Attempt all questions in section A and B For section A, circle the most correct alternative

More information

INTERNATIONAL INDIAN SCHOOL, RIYADH STD: X SUBJECT- CHEMISTRY CHAPTER 1: CHEMICAL REACTIONS WORKSHEET #1

INTERNATIONAL INDIAN SCHOOL, RIYADH STD: X SUBJECT- CHEMISTRY CHAPTER 1: CHEMICAL REACTIONS WORKSHEET #1 INTERNATIONAL INDIAN SCHOOL, RIYADH STD: X SUBJECT- CHEMISTRY CHAPTER 1: CHEMICAL REACTIONS WORKSHEET #1 I) Very Short Type Questions (1 mark) 1. What is the relationship between decomposition and combustion

More information

Thermal decomposition. Metal carbonates

Thermal decomposition. Metal carbonates Decomposition reactions Copy correctly Up to 3% of a workbook Copying or scanning from ESA workbooks is subject to the New Zealand Copyright Act which limits copying to 3% of this workbook. Many compounds

More information

Duncan. UNIT 8 - Chemical Equations BALANCING EQUATIONS PRACTICE WORKSHEET 14.) C2H6 + O2 CO2 + H2O. 2.) Na + I2 NaI 3.) N2 + O2 N2O 4.

Duncan. UNIT 8 - Chemical Equations BALANCING EQUATIONS PRACTICE WORKSHEET 14.) C2H6 + O2 CO2 + H2O. 2.) Na + I2 NaI 3.) N2 + O2 N2O 4. BALANCING EQUATIONS PRACTICE WORKSHEET 1.) CH4 + O2 CO2 + H2O 2.) Na + I2 NaI 3.) N2 + O2 N2O 4.) N2 + H2 NH3 5.) KI + Cl2 KCl + I2 6.) HCl + Ca(OH)2 CaCl2 + H2O 7.) KClO3 KCl + O2 8.) K3PO4 + HCl KCl

More information

1. What are amphoteric oxides? Give two examples of amphoteric oxides.

1. What are amphoteric oxides? Give two examples of amphoteric oxides. 1. What are amphoteric oxides? Give two examples of amphoteric oxides. Amphoteric oxides are the oxides, which react with both acids and bases to form salt and water. E.g. ZnO and Al 2 O 3. 2. Name two

More information

TYPES OF CHEMICAL REACTIONS PART I INTRODUCTION

TYPES OF CHEMICAL REACTIONS PART I INTRODUCTION EXPERIMENT 10 (2 Weeks) Chemistry 100 Laboratory TYPES OF CHEMICAL REACTIONS PART I INTRODUCTION It is useful to classify reactions into different types, because products of reactions can be predicted.

More information

Which of these is the formula for disulfur heptoxide? A. S 2 O 7 B. S 7 O 2 C. SO 2 D. N 2 O

Which of these is the formula for disulfur heptoxide? A. S 2 O 7 B. S 7 O 2 C. SO 2 D. N 2 O Which of these is the formula for disulfur heptoxide? A. S 2 O 7 B. S 7 O 2 C. SO 2 D. N 2 O Which of these is the correct chemical formula for a molecule of oxygen? A. O B. O -2 C. O +2 D. O 2 Which of

More information

ICSE-Science 2 (Chemistry) 2004

ICSE-Science 2 (Chemistry) 2004 ICSE-Science 2 (Chemistry) 2004 Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading

More information

Solution 2: Class X Chapter-4 Analytical Chemistry Chemistry. Book Name: Selina Concise EXERCISE- 1 (A)

Solution 2: Class X Chapter-4 Analytical Chemistry Chemistry. Book Name: Selina Concise EXERCISE- 1 (A) EXERCISE- 1 (A) Book Name: Selina Concise Question 1: Write the probable colour of the following salts. (a) Ferrous salts (b) Ammonium salts (c) Cupric salts (d) Calcium salts (e) Aluminium Salts Solution

More information

INDIAN SCHOOL MUSCAT

INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT DEPARTMENT OF CHEMISTRY QUESTION BANK CLASS X CHEMICAL REACTIONS AND EQUATIONS One mark questions 1. What change in color is observed when white silver chloride is left exposed to

More information

MR. D HR UV AS HE R I.C.S.E. BOA RD PAP ER ICSE

MR. D HR UV AS HE R I.C.S.E. BOA RD PAP ER ICSE MR D HR UV AS HE R ICSE BOA RD PAP ER 200 4 1 ICSE-2004 Section A (40 Marks) (Attempt all questions from this section) Question 1 (a) Choose the letters A,B,C or D to match the descriptions (i) to (iv)

More information

*20GSD5201* Double Award Science: Chemistry. Unit C2 Higher Tier TUESDAY 9 JUNE 2015, AFTERNOON [GSD52] *GSD52* *G5802* TIME 1 hour 15 minutes.

*20GSD5201* Double Award Science: Chemistry. Unit C2 Higher Tier TUESDAY 9 JUNE 2015, AFTERNOON [GSD52] *GSD52* *G5802* TIME 1 hour 15 minutes. Centre Number Candidate Number General Certificate of Secondary Education 2015 Double Award Science: Chemistry Unit C2 Higher Tier [GSD52] *GSD52* *G5802* *GSD52* TUESDAY 9 JUNE 2015, AFTERNOON TIME 1

More information

OXFORD CAMBRIDGE AND RSA EXAMINATIONS GCSE A172/02. TWENTY FIRST CENTURY SCIENCE CHEMISTRY A/ADDITIONAL SCIENCE A Modules C4 C5 C6 (Higher Tier)

OXFORD CAMBRIDGE AND RSA EXAMINATIONS GCSE A172/02. TWENTY FIRST CENTURY SCIENCE CHEMISTRY A/ADDITIONAL SCIENCE A Modules C4 C5 C6 (Higher Tier) OXFORD CAMBRIDGE AND RSA EXAMINATIONS GCSE A172/02 TWENTY FIRST CENTURY SCIENCE CHEMISTRY A/ADDITIONAL SCIENCE A Modules C4 C5 C6 (Higher Tier) TUESDAY 10 JUNE 2014: Afternoon DURATION: 1 hour plus your

More information

CHAPTER 3 METALS AND NON-METALS About 118 elements are known today. There are more than 90 metals, 22 non metals and a few metalloids. Sodium (Na), potassium (K), magnesium(mg), aluminium(al), calcium(ca),

More information

1. The equation that represents the equilibrium in a saturated solution of Fe 2 (SO 4 ) 3 is.. The precipitate which forms first is

1. The equation that represents the equilibrium in a saturated solution of Fe 2 (SO 4 ) 3 is.. The precipitate which forms first is CHEMISTRY 12 UNIT 3 - REVIEW Ksp Part A - Multiple Choice 1. The equation that represents the equilibrium in a saturated solution of Fe 2 (SO 4 ) 3 is A. Fe 2 (SO 4 ) 3 (s) 3 Fe 2+ (aq) + 2 SO 4 3 (aq)

More information

Sn 2+ (aq) + 2 Ag + (aq) Sn 4+ (aq) + 2 Ag(s),

Sn 2+ (aq) + 2 Ag + (aq) Sn 4+ (aq) + 2 Ag(s), 1. Which change in oxidation number represents oxidation? A) Sn 2+ (aq) Sn 4+ (aq) B) Sn 2+ (aq) Sn(s) C) Sn 4+ (aq) Sn 2+ (aq) D) Sn 4+ (aq) Sn(s) E) Sn(s) Sn 2 (aq) 2. In the reaction Sn 2+ (aq) + 2

More information

CHEMISTRY. SECTION I (40 Marks) Attempt all questions from this Section

CHEMISTRY. SECTION I (40 Marks) Attempt all questions from this Section CEMISTRY SCIENCE Paper 2 (One hour and a half) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent

More information

PRECAUTIONS WHILE PERFORMING CHEMISTRY ACTIVITIES. Do not touch anything without the permission of the teacherin the lab.

PRECAUTIONS WHILE PERFORMING CHEMISTRY ACTIVITIES. Do not touch anything without the permission of the teacherin the lab. PRECAUTIONS WHILE PERFORMING CHEMISTRY ACTIVITIES Do not touch anything without the permission of the teacherin the lab. 1. Do not use conc. Acids as they are harmful. 2. Handle glass material with care.

More information

Q1.A student investigated the temperature change when zinc reacts with copper sulfate solution.

Q1.A student investigated the temperature change when zinc reacts with copper sulfate solution. Q1.A student investigated the temperature change when zinc reacts with copper sulfate solution. The student used a different concentration of copper sulfate solution for each experiment. The student used

More information

S1 Building Blocks Summary Notes

S1 Building Blocks Summary Notes S1 Building Blocks Summary Notes Atoms & Molecules 1 We are developing our understanding of atoms and molecules. Atoms are the simplest building blocks of every substance in the universe. There are just

More information

Detroit Water and Sewerage Department Water Quality Division Laboratory Analysis of Water Samples Collected at Lake Huron Plant 6/9/2015

Detroit Water and Sewerage Department Water Quality Division Laboratory Analysis of Water Samples Collected at Lake Huron Plant 6/9/2015 Lake Huron Plant Turbidity NTU 0.35 0.05 0.3/95% (1) Total Solids mg/l 136 162 500 10 Total Dissolved Solids mg/l 145 136 500 10 Aluminum Al mg/l 0.510 0.142 0.05-0.2 0.005 Iron Fe mg/l 0.082 0.118 0.3

More information

Our country, our future 545/1 S4 CHEMISTRY PAPER 1 DURATION: 2 HOUR

Our country, our future 545/1 S4 CHEMISTRY PAPER 1 DURATION: 2 HOUR Our country, our future 545/1 S4 CHEMISTRY Exam 1 PAPER 1 DURATION: 2 HOUR Instructions: Attempt all questions Circle the most connective alternative with either a blue or black ink-but not a pencil. 1.

More information

85 Q.14 In which of the following substances does nitrogen have the lowest oxidation number?

85 Q.14 In which of the following substances does nitrogen have the lowest oxidation number? Redox and electrolysis / Section 3 / Sect3pp.doc / S. W. Tse / P.1 85 Q.5 The element with an atomic number of 19 is likely to be A. an oxidizing agent. B. a reducing agent. C. a non-metal. D. chemically

More information

DURATION: 1 hour 30 minutes

DURATION: 1 hour 30 minutes 1 Our country, our future 545/1 S4 CHEMISTRY Exam 14 PAPER 1 DURATION: 1 hour 30 minutes Instructions - This paper consists of 50 compulsory objective questions - Answer the questions by writing the correct

More information

Compounds & Reactions Week 1. Writing Formulas & Balancing Equations. Write the chemical formula for each molecular (covalent) compound.

Compounds & Reactions Week 1. Writing Formulas & Balancing Equations. Write the chemical formula for each molecular (covalent) compound. Compounds & Reactions Week 1 Name Writing Formulas & Balancing Equations Write the chemical formula for each ionic compound. 1. Lithium fluoride 2. Copper (II) chloride 3. Manganese (II) oxide 4. Potassium

More information

Combination Reactions 2H 2 + O 2 2H 2 O. 2Na + I 2 2NaI. Ca + Cl 2 CaCl 2. C + O 2 CO 2 or 2C + O 2 2CO 3H 2 + N 2 2NH 3

Combination Reactions 2H 2 + O 2 2H 2 O. 2Na + I 2 2NaI. Ca + Cl 2 CaCl 2. C + O 2 CO 2 or 2C + O 2 2CO 3H 2 + N 2 2NH 3 Combination Reactions Predict the product and write balanced reactions for each of the following. 1. Hydrogen burned in oxygen. 2H 2 + O 2 2H 2 O 2. Sodium plus iodine. 2Na + I 2 2NaI 3. Calcium burned

More information

3 Metals and Non-Metals

3 Metals and Non-Metals 3 Intext Questions On Page 40 Question 1. Give an example of a metal which (i) is a liquid at room temperature. (ii) can be easily cut with a knife. (iii) is the best conductor of heat. (iv) is a poor

More information

Chapter 3 Metals and Non-metals

Chapter 3 Metals and Non-metals Chapter 3 Metals and Non-metals Intext Questions On Page 40 Question 1: Give an example of a metal which (i) (ii) (iii) (iv) Is a liquid at room temperature Can be easily cut with a knife. Is the best

More information

CRHS Academic Chemistry Unit 1 Matter and Change HOMEWORK. Due Date Assignment On-Time (100) Late (70)

CRHS Academic Chemistry Unit 1 Matter and Change HOMEWORK. Due Date Assignment On-Time (100) Late (70) Name Period CRHS Academic Chemistry Unit 1 Matter and Change HOMEWORK Due Date Assignment On-Time (100) Late (70) 1.1 1.2 1.3 Warm Ups Extra Credit Notes, Homework, Exam Reviews and Their KEYS located

More information

Strong under tension and compression. Malleable. Low density. Have a dull appearance. Good conductors of electricity and heat

Strong under tension and compression. Malleable. Low density. Have a dull appearance. Good conductors of electricity and heat Revision from Year 10: Properties of Metals and Non-Metals Read CC pp182-183 Use arrows to link the properties with the materials: Strong under tension and compression Malleable Low density Have a dull

More information

Lake Huron Water Treatment Plant Mineral Report

Lake Huron Water Treatment Plant Mineral Report Lake Huron Water Treatment Plant Mineral Report Turbidity NTU 0.40 0.05 0.3/95% (1) Total Solids mg/l 160 155 500 10 Total Dissolved Solids mg/l 101 0 500 10 Aluminum Al mg/l < 0.050 0.060 0.05-0.2 0.005

More information

N5 Chemistry Unit 3: Chemistry in Society Homework 3.2

N5 Chemistry Unit 3: Chemistry in Society Homework 3.2 N5 hemistry Unit 3: hemistry in Society Homework 3.2 Name Teacher 1. Which of the following metals can be extracted from its oxide by heat alone? 5. Which of the following is a carboxylic acid? luminium

More information

Model Activity Sheet Solution (Science and Technology - Part 1)

Model Activity Sheet Solution (Science and Technology - Part 1) Model Activity Sheet Solution (Science and Technology - Part 1) Note: Answer to every question must be written on a new page. Q.1. (A) i. When objects of equal masses at specific temperature are supplied

More information

Sample Answers/Solutions - Study of Compounds

Sample Answers/Solutions - Study of Compounds Sample Answers/Solutions - Study of Compounds Hydrogen Chloride 1. It is a gas at room temperature. 2. Refer to pg.128 right side section 2. 3. If the reaction is carried out above 200 o C, then the by-product

More information

Page 1 of 15. Website: Mobile:

Page 1 of 15. Website:     Mobile: Question 1: Give an example of a metal which (i) is a liquid at room temperature. (ii) can be easily cut with a knife. (iii) is the best conductor of heat. (iv) is a poor conductor of heat. (i) Metal that

More information

Formula & Equation Writing

Formula & Equation Writing Formula & Equation Writing Book 2 H H Al Al H Al(H) 3 H Ionic Equations Ionic Formulae Balanced Equations Formula Equations Word Equations Transition Metals Using Brackets Awkward Customers More than 2

More information

Some Basic Concepts of Chemistry

Some Basic Concepts of Chemistry Q 1. Some Basic Concepts of Chemistry What weight of AgCI will be precipitated when a solution containing 4.77 g of NaCI is added to a solution of 5.77 g of AgNO 3? (IIT JEE 1978 3 Marks) Q 2. One gram

More information

Contact us:

Contact us: Class X Chapter 3 Metals and Non-metals Science Question 1: Give an example of a metal which (i) is a liquid at room temperature. (ii) can be easily cut with a knife. (iii) is the best conductor of heat.

More information

A student investigated the reactivity of three different metals.

A student investigated the reactivity of three different metals. Chemical Changes Q1. A student investigated the reactivity of three different metals. This is the method used. 1. Place 1 g of metal powder in a test tube. 2. Add 10 cm 3 of metal sulfate. 3. Wait 1 minute

More information

Detroit Water and Sewerage Department Water Quality Division Laboratory Analysis of Water Samples Collected at Lake Huron Plant 10/14/2014

Detroit Water and Sewerage Department Water Quality Division Laboratory Analysis of Water Samples Collected at Lake Huron Plant 10/14/2014 Lake Huron Plant Turbidity NTU 0.43 0.04 0.3/95% (1) Total Solids mg/l 103 116 500 10 Total Dissolved Solids mg/l 112 142 500 10 Aluminum Al mg/l < 0.050 < 0.050 0.05-0.2 0.005 Iron Fe mg/l 0.053 < 0.050

More information

Lake Huron Water Treatment Plant Mineral Report

Lake Huron Water Treatment Plant Mineral Report Lake Huron Water Treatment Plant Mineral Report Turbidity NTU 0.30 0.06 0.3/95% (1) Total Solids mg/l 94 91 500 10 Total Dissolved Solids mg/l 81 51 500 10 Aluminum Al mg/l < 0.050 < 0.050 0.05-0.2 0.005

More information

KKB Micro Testing Labs Pvt. Ltd., , 2 nd Floor, Tarun Plaza, NFC Main Road, Krishna Nagar Colony, Moula Ali, Hyderabad, Telangana

KKB Micro Testing Labs Pvt. Ltd., , 2 nd Floor, Tarun Plaza, NFC Main Road, Krishna Nagar Colony, Moula Ali, Hyderabad, Telangana Last Amended on - Page 1 of 7 I. AIR, GASES & ATMOSPHERE 1. Ambient Air Monitoring RSPM ( PM 10) IS 5182 (Part 23): 2006 (RA ) 5 µg/m 3 to 750 µg/m 3 PM 2.5 SOP 11 dated 17.11.2014 12.5 µg/m 3 to 500 µg/m

More information

Sodium Peroxides (Na 2 O 2 ): Preparation: It is formed by heating the metal in excess of air or oxygen at 300, which is free from

Sodium Peroxides (Na 2 O 2 ): Preparation: It is formed by heating the metal in excess of air or oxygen at 300, which is free from S-Block Elements Generally one question was asked every year from this topic. This is completely theoretical and little memory based. Last minute revision generally helps. The general trends in the properties

More information

Class 10 Science NCERT Exemplar Solutions Chemical Reactions And Equations

Class 10 Science NCERT Exemplar Solutions Chemical Reactions And Equations Class 10 Science NCERT Exemplar Solutions Chemical Reactions And Equations Short Answer Type Questions 1. Write the balanced chemical equations for the following reactions and identify the type of reaction

More information

I. PHYSICAL PROPERTIES PROPERTY METALS NON-METALS

I. PHYSICAL PROPERTIES PROPERTY METALS NON-METALS Elements can be classified as metals and non-metals on the basis of their properties. Example of some metals are : Iron (Fe), Aluminium (Al), Silver (Ag), Copper (Cu) Examples of some non-metals are :

More information

Chapter 11. Reactivity of metals

Chapter 11. Reactivity of metals Chapter 11 Reactivity of metals 11.1 Comparing reactivities of common metals 11.2 The metal reactivity series 11.3 Chemical equations 11.4 Metal reactivity series and the tendency of metals to form positive

More information

85 Q.51 Which of the following carbonates would give the metal when heated with carbon? (1) MgCO 3 (2) PbCO 3 (3) K 2 CO 3 (4) CuCO 3

85 Q.51 Which of the following carbonates would give the metal when heated with carbon? (1) MgCO 3 (2) PbCO 3 (3) K 2 CO 3 (4) CuCO 3 Metal and metal reactivity / Section 2 / Sect2pp.doc / S. W. Tse / P.1 85 Q.51 Which of the following carbonates would give the metal when heated with carbon? (1) MgCO 3 (2) PbCO 3 (3) K 2 CO 3 (4) CuCO

More information

A Cycle of Copper Reactions

A Cycle of Copper Reactions EXPERIMENT A Cycle of Copper Reactions PURPOSE To demonstrate a series of copper reactions: starting with copper metal, oxidizing the metal to put it into solution and then, form a copper hydroxide, an

More information

EDULABZ INTERNATIONAL 1 HYDROGEN

EDULABZ INTERNATIONAL 1 HYDROGEN 1 HYDRGEN I. Multiple choice questions: (Tick the correct option). 1. Name the metal which does not react with dilute sulphuric acid. (a) Lead (b) Tin (c) Magnesium (d) Iron 2. In which list are the metals

More information

Topic: Gases in the Atmosphere

Topic: Gases in the Atmosphere Topic: Gases in the Atmosphere Composition of the atmosphere The two main gases making up 99% of dry air are nitrogen and oxygen. Our air also contains varying amounts of water vapour, which we refer to

More information

Downloaded from

Downloaded from Chemical Reactions and Equations 1. Identify the component oxidised in the follwing reaction : H 2 S + Cl 2 S + 2HCl 2. A chemical reaction is said to be exothermic if it. Absorbs energy Releases energy

More information

Chapter 6 - Land and its Resources Page 1 of 9

Chapter 6 - Land and its Resources Page 1 of 9 Page 1 of 9 Minerals - Solid elements or compounds found naturally in the Earth s crust and forms it - Each mineral has its own chemical content and can be found in elements or compounds Natural Mineral

More information

CRHS Academic Chemistry Unit 1 Matter and Change HOMEWORK. Due Date Assignment On-Time (100) Late (70)

CRHS Academic Chemistry Unit 1 Matter and Change HOMEWORK. Due Date Assignment On-Time (100) Late (70) Name KEY Period CRHS Academic Chemistry Unit 1 Matter and Change HOMEWORK Due Date Assignment On-Time (100) Late (70) 1.1 1.2 1.3 Warm Ups Notes, Homework, Exam Reviews and Their KEYS located on CRHS Academic

More information

Q1. The data in the table below show the melting points of oxides of some Period 3 elements. O 10 O P (Extra space) (2)......

Q1. The data in the table below show the melting points of oxides of some Period 3 elements. O 10 O P (Extra space) (2)...... Q1. The data in the table below show the melting points of oxides of some Period 3 elements. Na 2 O P 4 O 10 SO 2 T m /K 1548 573 200 (a) In terms of structure and bonding, explain why (i) sodium oxide

More information

The oxides of nitrogen and the details of the oxygen states of nitrogen and the N:O ratio can be presented in a tabular form as:

The oxides of nitrogen and the details of the oxygen states of nitrogen and the N:O ratio can be presented in a tabular form as: Oxides of Nitrogen Introduction to oxides of nitrogen Nirogen has a position in second period of group V in the modern periodic table. It has molecular formula N2. It has atomic number 7 and atomic weight

More information

Predicting Reaction Products

Predicting Reaction Products Predicting Reaction Products Once you classify a chemical reaction, write the products and balance the reaction. Review Diatomic Molecules! Elements that exist only as compounds in the natural world: Iodine

More information

CHAPTER 3 METALS AND NON-METALS

CHAPTER 3 METALS AND NON-METALS CHAPTER 3 METALS AND NON-METALS About 118 elements are known today. There are more than 90 metals, 22 non metals and a fewmetalloids. Sodium (Na), potassium (K),magnesium(Mg), aluminium(al), calcium(ca),

More information

Properties A Metal B Non- metal Electronic configuration?? Nature of oxides?? Oxidizing or reducing action?? Conduction of heat and electricity??

Properties A Metal B Non- metal Electronic configuration?? Nature of oxides?? Oxidizing or reducing action?? Conduction of heat and electricity?? CLASS: X NCERT (CBSE) SCIENCE: Chemistry Page: 1 Question 1: Compare the properties of a typical metal and a non-metal on the basis of the following. Fill in Column A, B. Properties A Metal B Non- metal

More information

*20GSD5201* Double Award Science: Chemistry. Unit C2 Higher Tier WEDNESDAY 15 JUNE 2016, AFTERNOON [GSD52] *GSD52* *G5802* TIME 1 hour 15 minutes.

*20GSD5201* Double Award Science: Chemistry. Unit C2 Higher Tier WEDNESDAY 15 JUNE 2016, AFTERNOON [GSD52] *GSD52* *G5802* TIME 1 hour 15 minutes. Centre Number Candidate Number General Certificate of Secondary Education 2016 Double Award Science: Chemistry Unit C2 Higher Tier [GSD52] *GSD52* *G5802* *GSD52* WEDNESDAY 15 JUNE 2016, AFTERNOON TIME

More information

Suggest one reason why spoons are electroplated. ... Why is hydrogen produced at the negative electrode and not sodium?

Suggest one reason why spoons are electroplated. ... Why is hydrogen produced at the negative electrode and not sodium? Q1.This question is about electrolysis. (a) Metal spoons can be coated with silver. This is called electroplating. Suggest one reason why spoons are electroplated. (b) When sodium chloride solution is

More information

Reactivity Series. Question Paper. Cambridge International Examinations. Score: /39. Percentage: /100

Reactivity Series. Question Paper. Cambridge International Examinations. Score: /39. Percentage: /100 Reactivity Series Question Paper Level Subject Exam oard Topic Sub-Topic ooklet O Level hemistry ambridge International Examinations Metals Reactivity Series Question Paper Time llowed: 47 minutes Score:

More information

NCERT solutions for Metals and Non Metals

NCERT solutions for Metals and Non Metals NCERT solutions for Metals and Non Metals 1 Question 1 Give an example of a metal which (i) is a liquid at room temperature. (ii) can be easily cut with a knife. (iii) is the best conductor of heat. (iv)

More information

Metals. N4 & N5 Homework Questions

Metals. N4 & N5 Homework Questions St Peter the Apostle High School Chemistry Department Metals N4 & N5 Homework Questions Answer questions as directed by your teacher. National 4 level questions are first followed by National 5 level questions.

More information

Year 9 Science. 9C5: Energy Changes in Reactions and the Reactions of Metals. Home-Learning Challenge

Year 9 Science. 9C5: Energy Changes in Reactions and the Reactions of Metals. Home-Learning Challenge Year 9 Science 9C5: Energy Changes in Reactions and the Reactions of Metals Home-Learning Challenge Name: Form: 9C5 Module Overview and Home-Learning Subject: Science - Chemistry Year: 9 Half-Term: 1,

More information

8.3 Preparation of Salts

8.3 Preparation of Salts For more awesome GSE and level resources, visit us at www.savemyexams.co.uk/ 8. Preparation of Salts Question Paper Level IGSE Subject hemistry (060) Exam oard ambridge International Examinations (IE)

More information

(a) To find out which is the more reactive metal, zinc or tin, the following experiment could be carried out. piece of zinc shiny surface

(a) To find out which is the more reactive metal, zinc or tin, the following experiment could be carried out. piece of zinc shiny surface 1 The reactivity series lists metals in order of reactivity. (a) To find out which is the more reactive metal, zinc or tin, the following experiment could be carried out. piece of zinc shiny surface tin(ii)

More information

Explain this difference. [2] [Total: 12] PhysicsAndMathsTutor.com

Explain this difference. [2] [Total: 12] PhysicsAndMathsTutor.com (v) During electroplating, it is necessary to add more chromium(iii) sulfate but during copper plating using a copper anode, it is not necessary to add more copper(ii) sulfate. Explain this difference.

More information