Nalanda Open University 2009 B.Sc Chemistry Final , Bachelor of Science, Part-III (Hons.), -VII (2nd Part) - Question Paper
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Final Examination, 2009 Bachelor of Science, Part-III Chemistry (Hons.), Paper-VII (2nd Part)
5. What is nitrogeneous fertilizer? Write down the important type of nitrogeneous fertilizers. Prepare one of them on large scale.
6. What are chemical fuels? Give clessification of chemical fuel with example. What are advantages of gaseous fuel over liquid fuel?
7. What is green house effect? How it is caused? What are the major gases causing it? What are the adverse effects of green house effect?
8 What is biogas? Give its composition. How it is prepared on large scale? What are their uses and advantages?
9. Write short notes on:
(i) Effect of Soil Pollution (ii) Radioactive pollutant
(iii) Industrial waste.
10. How are water pollutants classified? Discuss the methods available for primary and secondary wastewater treatment.
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| Earning: Approval pending. |
