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Environmental And Industrial Chemistry Question Paper

Environmental And Industrial Chemistry

Course:Bachelor Of Science In Environmental Science

Institution: Kabarak University question papers

Exam Year:2009

INSTRUCTIONS:
TOTAL MARKS = 60 %
Attempt ALL questions in section A and any two question in section B

SECTION A (40 Marks)
1. (a) Explain using equations the chemical processes for the formation of inorganic
particulates in the atmosphere. (4 mks)
(b) Discuss the formation of ozone gas and its importance to the environment?
(2 mks)
(c) Name chemical components that caused the depletion of Ozone gas and give
chemical equation for their reaction with ozone gas. (2 mks)
2. (a) Discuss the major pollutants associated with gasoline use and the impact on the
environment. (4 mks)
(b) Describe two methods which can be used to control carbon monoxide (CO) gas
from automobile exhaust. (2 mks)
(c) Illustrate the sources and sinks of carbon dioxide gas. (2 mks)
3. (a) Describe using chemical equations how acid rain is formed and how it pollutes
the environment. (2 mks)
(b) Name the main nutrients that may cause eutrophication problems in water and
briefly discuss their sources. (4 mks)
(c) What are toxic chemicals in air and as per the ms in water? Indicate their
sources and harmful effects. (2 mks)
4. (a) Illustrate the nitrogen pathway in soil. (2 mks)
(b) Name the various sources of radioactive emissions (2 mks)
(c) Give the general health hazards of radioactive emissions (2 mks)
(d) Discuss the inorganic and organic components of soil. (2 mks)

5. (a) Briefly describe the Habers process. (4 mks)
(b) Discuss how particulates can be controlled in factory emissions. (2 mks)
(c) Discuss why forestation is very important for the conservation of our
environment. (4 mks)

SECTION B (20 Marks)
6. Discuss green house effect and its contribution to global warming. (10 marks)
7. Describe heavy metals contamination of ground water and its effect on human
and aquatic life. (10 marks)
8. Describe the industrial manufacture of sulphuric acid by contact process and explain
how the gaseous pollutants emanating from the process are is being controlled
(10 marks)

Environmental And Industrial Chemistry Question Paper

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