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Environmental And Industrial Chemistry Question Paper

Environmental And Industrial Chemistry

Course:Bachelor Of Environmental Science

Institution: Kabarak University question papers

Exam Year:2010

COURSE CODE: ENVS 212
COURSE TITLE: ENVIRONMENTAL AND INDUSTRIAL
CHEMISTRY
STREAM: Y2S1

INSTRUCTIONS:
Attempt ALL questions in Section A and ANY TWO in Section B

SECTION A (40 marks)
1. (a) Explain the importance of particulates in the atmosphere. (2 mks)
(b) Briefly, discuss on the sources of inorganic particles present in the
atmosphere. (3 mks)
(c) Briefly, discuss how particulates can be controlled in an industrial process.
(4 mks)
2. (a) Briefly, discuss on the photochemical reactions of the following gases in the
atmosphere: (i) SO2 gas (ii) Nitrogen oxide gases (4 mks)
(b) Explain using chemical equations how ozone gas can be depleted by chemical
components present in the atmosphere. (2 mks)
( c) Briefly, discuss on how the following chemicals pollute the atmosphere
and how they can be controlled:(i) CO gas (ii) Poly aromatic hydrocarbons
(PAH) (4 mks)
3. (a) Briefly discuss on chemical composition of water. (2 mks)
(b) Explain why organic matter is water pollutants. (3 mks)
( c) Briefly, discuss on acid mine drainage and how it pollutes water (3 mks)
4 (a) Explain the causes of eutrophication in water reservoirs. (2 mks)
(b) Explain how CO gas is toxic to human life. (2 mks)
(c) Explain the difference between micro and macronutrients of plants. (4 mks)
5. (a) Briefly, Discuss on the nitrogen pathway in the soil. (3 mks)
(b) Explain the importance of potassium in the growth of plants. (2 mks)

SECTION B (20 marks)
6. Discuss on green house effect and global warming. (10 mks)
7. Discuss on toxicity of trace elements and its effect to the environment. (10 mks)
8. Discuss on industrial pollution and its effects on the environment (10 mks)

Environmental And Industrial Chemistry Question Paper

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