1 Which statement about methane is not correct? It is a greenhouse gas. It is an alkene. It is formed by decomposition of vegetation.
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1 Which statement about is not correct? It is a greenhouse gas. It is an alkene. It is formed by decomposition of vegetation. It is used as a fuel. Which process does not produce? complete combustion of a fossil fuel fermentation reaction of an alkali with a carbonate arbon dioxide and both contribute to climate change. Which process produces both gases? complete combustion of natural gas farming cattle heating calcium carbonate 4 In which reaction is not produced? complete combustion of petrol hydrochloric acid reacting with magnesium thermal decomposition of limestone PhysicsndMathsTutor.com
2 5 Unwanted vegetation is sometimes placed in a bin where it decays to form compost. This compost can be used to fertilise soils. Which gas is likely to be present in a higher percentage inside the bin than in the air outside the bin? oxygen sulfur dioxide 6 arbon dioxide and are greenhouse gases which contribute to global warming. Which process does not increase global warming? burning fossil fuels decay of organic waste farming cattle for beef growing crops such as sugar cane 7 These statements are about a gas. 4 It is produced by thermal decomposition of a carbonate. It is produced by the fermentation of glucose. It makes up % of unpolluted air. It is produced during the production of steel from iron. Which statements are correct for? and only, and, and 4, and 4 PhysicsndMathsTutor.com
3 8 Four reactions produce. 4 fermentation combustion of manufacture of lime Which reactions do not use oxygen from the air? and and and 4 and 4 9 Gas X is a waste gas from digestion in animals. Gas Y is formed when gas X is burnt with a small amount of oxygen. Gas Z is formed when gas X is burnt with an excess of oxygen. What are X, Y and Z? X Y Z 0 The list gives four experiments carried out with calcium carbonate. 4 acid added alkali added heated strongly water added Which experiments produce? and and and and 4 PhysicsndMathsTutor.com
4 Which statement about is not correct? It is a liquid produced by distilling petroleum. It is produced as vegetation decomposes. It is produced by animals, such as cows. It is used as a fuel. Which pollutant gas is produced by the decomposition of vegetation? nitrogen oxide sulfur dioxide In which process is not formed? burning of natural gas fermentation heating lime 4 Which information about and is correct? formed when vegetation decomposes key greenhouse gas = true present in unpolluted air = false produced during PhysicsndMathsTutor.com
5 5 The list shows four methods that were suggested for the formation of. 4 action of an alkali on a carbonate action of heat on a carbonate complete combustion of reaction of a carbonate with oxygen Which methods would result in the production of? and and 4 and and 4 6 Which process does not produce? combustion of petrol reaction between an acid and a metal hydroxide reaction between an acid and a carbonate 7 Gas X is a waste gas from digestion in animals. Gas Y is formed when gas X is burnt with a small amount of oxygen. Gas Z is formed when gas X is burnt with an excess of oxygen. What are X, Y and Z? X Y Z PhysicsndMathsTutor.com
6 8 arbon dioxide and are greenhouse gases which contribute to global warming. Which process does not increase global warming? burning fossil fuels decay of organic waste farming cattle for beef growing crops such as sugar cane 9 Which pollutant gas is produced by the decomposition of vegetation? nitrogen oxide sulfur dioxide 0 The table gives the composition of the atmosphere of four newly discovered planets. planet W X Y Z composition of atmosphere argon, and oxygen argon, nitrogen and oxygen argon, and, nitrogen and oxygen On which planets is the greenhouse effect likely to occur? W only W, X and Z W and Y only W, Y and Z PhysicsndMathsTutor.com
7 Greenhouse gases may contribute to climate change. Two of these gases are emitted into the atmosphere as a result of processes within animals. Gas is produced by process. Gas is produced by process 4. Which words correctly complete gaps,, and 4? Which information about and is correct? formed when vegetation decomposes greenhouse gas present in unpolluted air produced during Which statement about is not correct? It is a liquid produced by distilling petroleum. It is produced as vegetation decomposes. It is produced by animals such as cows. It is used as a fuel. PhysicsndMathsTutor.com
8 4 newspaper article claims that is formed as follows. during when calcium carbonate reacts with hydrochloric acid when burns in air Which statements are correct?, and only and only and only PhysicsndMathsTutor.com
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calcium oxide removes acidic oxides basic oxides acidic oxides basic oxides Iron obtained from the blast furnace is contaminated with
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