Set No: 1 R (a) Discuss the process & principle involved in Hydrogenation of Oils. (b) Write short notes on cleansing action of soaps.

Transcription

1 Set No: 1 R10 Set No: 1 1. (a) Define pulp & paper. (b) Explain in detail the manufacturing of sugar from sugarcane with a neat flow chart. 2. Discuss in detail the process of gasification of coal and explain it with the support of a neat flow chart. 3. (a) Write in detail the production of Ethyl alcohol by Fermentation process from Molasis. (b) What is absolute alcohol & how do you get absolute alcohol from 95% Ethyl Alcohol? 4. (a) Discuss the process & principle involved in Hydrogenation of Oils. (b) Write short notes on cleansing action of soaps. 5. Explain the process of petroleum refining to produce Naphtha. 6. (a) What is meant by term Petrochemical? Mention important applications of Petrochemicals. (b) Discuss in detail the reactions involved in Catalytic reforming 7. (a) Differentiate Thermoplastic Resins from Thermosetting resins (b) Explain the synthesis of Polyvinyl Chloride & what are its applications. 8. (a) Describe in detail the manufacturing of Nylon 6 with the help of a flow sheet diagram (b) Write any four important compounding ingredients of rubber.

2 R10 Set No: 2 1. (a) Explain the different methods involved in production of pulp. (b) Write short notes on different types of starch derivatives. 2. Discuss in detail the chemicals extracted from coal. 3. (a) Write in detail the production of Ethyl alcohol by Fermentation process from Starch. (b) Mention the conditions favorable for Fermentation. 4. (a) Discuss the process & principle involved in refining of fatty acids. (b) What are the advantages & disadvantages of detergents over soaps. 5. Explain the process of petroleum refining to produce Fuel Hydrocarbon. 6. (a) Explain the process for production of Petrochemicals from Benzene. (b) Differentiate Cracking & Reforming. 7. (a) Write a note on Phenolic resins. Mention its properties & applications. (b) Write short notes on preparation properties & uses of Teflon. 8. (a) Explain in detail the manufacturing of Polyester taking Terylene as example. (b) Write any four important compounding ingredients of rubber. (c) What are the drawbacks of raw rubber? How are its properties improved?

3 R10 Set No: 3 1. (a) Explain different methods for production of paper. (b) Discuss in detail the usage of thickners in sugar industry. 2. Discuss in detail the gasification of coal and explain it with the support of a neat flow chart. 3. (a) Explain in detail the production of Citric acid by using Microbial Processes. (b) What is Fermentation? Mention its merits over Chemical Synthesis. 4. (a) Write down the basic principles of solvent extraction of oils. (b) Why detergents are replacing soap as a washing agent? (c) What is the difference between an oil and a fat? 5. Explain how Lubricants are produced by Petroleum refining? 6. (a) Explain the processes for production of Petrochemicals from Ethylene. (b) Explain the mechanism involved in cracking processes through free radical and Carbonium ion intermediate. 7. (a) Write in detail the synthesis & applications of HDPE & LDPE. (b) What is Bakelite? How is it manufactured & mention its uses? 8. (a) Write note on Vulcanization of rubber & advantages of vulcanization (b) Explain in detail the properties & applications of Polyester.

4 R10 Set No: 4 1. (a) Explain the different methods for production of Rayon. (b) Explain in detail the manufacturing of starch with a flow chart. 2. Discuss in detail the chemicals extracted from coal. 3. (a) What are antibiotics and its uses? Write in detail the Synthesis of antibiotics by Microbial processes. (b) Give the enzymes involved during the fermentation of Molasis. Give relevant equation for conversions. 4. (a) Write down the basic principles of solvent extraction of fats. (b) Differentiate soap & a detergent. (c) Write short notes on preparation and properties of soap. 5. Explain the process of petroleum refining to produce naphtha. 6. (a) Explain the processes for production of petrochemicals from Xylene (b) Explain in detail the Catalytic Cracking process. 7. (a) How are the following polymers prepared? Mention its properties & uses (i) PVC ii) Polystyrene (b) Explain in detail the synthesis, important properties & important applications of Polypropylene 8. (a) Explain the properties & applications of any three Synthetic Rubbers. (b) Describe in detail the properties & applications of Nylon6. '''' '' ''''

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