What is 'Acid Rain'? How is it harmful to the environment?

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What is photochemical smog? What are its effects? How can it be controlled?

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(a) Define eutrophication and pneumoconiosis.
(b) Write difference between photochemical and classical smog.

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Have you ever observed any water pollution in your area? What measures would you suggest to control it?

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Do you observe any soil pollution in your neighbourhood? What efforts will you make for controlling the soil pollution?

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How can you apply green chemistry for the following?
(i) To control photochemical smog
(ii) To avoid use of halogenated solvents in dry
(iii) To reduce use of synthetic detergents
(iv) To reduce the consumption of petrol and diesel

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(a)