B.E. Environmental-Sem-1 (2015-16) Term date 31-08-2015 to 15-12-2015 Chemistry 2110001

Assignments: Chemistry(2110001)

Assignment-1 Date of submission 30-09-2015 (on or before)

1. Write a note on development of chemistry in science and engineering field. 
2. Describe the impacts of chemistry on nature and everyday life. 
3. What is ‘GREEN CHEMISTRY’? Write 12 principles of green chemistry and explain any two with suitable examples. 
4. What is ‘atom economy’? Explain in details with example or case study. 
5. What are the types of chemical bonding explain with examples. 
6. Write a note on Lewis representation of organic molecules with examples. 
7. Explain the classification of organic molecules. 
8. What is functional group? Give two examples of each functional group(any 15 groups containing organic compounds)
9. What are the common sources of water? Is every source of water potable? Why? 
10. What are the sources of impurities in water? 
11. Explain the terms: Hard water, Soft water and degree of hardness. 
12. Why Scale and Sludge formation take place in boiler? What are the disadvantages of it? 
13. How will you prevent Scale and Sludge formation in boiler? 
14. Write a note on Caustic embrittlements. 
15. Describe the properties of drinking water. 
16. What is Break-point chlorination? Where and why it is used? 
17. Explain the term ‘Brackish water’? How will you carry out desalination of brackish water?

Assignment-2  Date of submission 13-10-2015 (on or before)

1. What is call metal? Give difference between metal and non metal.
2. What are the properties of metals: explain. 
3. What is an alloy? Why we make alloys?
4. Draw the classification chart of alloys. 
5. Write a note on Non-Ferrous alloys and its industrial applications.
6. Prepare a note on steel alloys and its industrial applications. 
7. What is corrosion? Give theories of corrosion. 
8. What is sacrificing anode? 
9. Describe the methods of protection of metals from corrosion. 
10. Explain the terms Inhibitors and cathodic protection.
11. What is cement? Write a note on the classification of cement materials. 
12. Prepare a list of properties of cement and explain them. 
13. What are the basic row materials for manufactures of Portland Cement? 
14. Explain in brief manufacture of Portland cement by wet process and dry process.
15. Draw the flow sheet diagram of manufacture of cement for wet process. 
16. Write not on setting and hardening cement. 
17. Write a short note on standards of cement. 
18. Explain the terms PCC and RCC. 
19. Prepare a list of uses of cement. 
20. Explain the environmental impact of cement industries.

Assignment-3   

1. Define the terms: polymer, monomer, heavy polymer, oligo polymer
2. Write a note about the classification of polymers on the basis of Source, Structure, molecular forces with examples.
3. Give the common mechanisms(anionic, cationic and non-ionic) of Polymerization process.
4. Classify the polymers on the basis of their process of synthesis with examples.
5. Write difference between thermosetting and thermoplastic polymers.
6. Define rubber and give some examples.
7. Classify rubber with examples.
8. Give difference between natural and synthetic rubber.
9. Define the term Elastomer and give properties of natural rubber.
10. Explain the term vulcanization of rubber and its usefulness.
11. What are biodegradable and non-biodegradable polymers give examples
12. Give synthesis, properties and uses of i) PVC ii) polypropene iii) polystyrene iv)SBR
13. What is call fiber? Give types with examples.
14. Give propeties and uses of fibers viz. Cellulose acetic, Viscose Rayon, Nylon, Polyesters acrylic, Glass fibres, Liquid Crystals.
15. Write applications of rubber.

Assignment-4

1. Define Biotechnology.
2. What is genetic engineering?
3. Prepare a note on uses of biotechnology in different fields.
4. Write six different industrial applications of enzymes.
5. Define the terms : Refractory, Abrasives and Insulators.
6. Write the characteristics of refractories.
7. How are refractories classified?
8. Write short notes on porosity and permeability of a refractory
9. Prepare a note on classification, properties and uses of abrasives.
10. Explain classification of Insulators
11. Write properties and uses of Insulators.

Assignment-5

1. Explain the following terms with their uses in chemistry i) Specific gravity ii) Melting point iii) Boiling point iv) Crystallization v) Conductivity vi) Turbidity vii) pH
2. Give the difference between qualitative and quantitative analysis.
3. What is spectroscopy? Give usefulness in chemical analysis.
4. Define Chromatography and give applications in analytical chemistry.