Chemical Engineering Environmental Engineering MCQ Questions Pdf - 1

Question: 1

Inorganic impurities causing water pollution is

(A) protein

(B) salts and minerals

(C) carbohydrates

(D) fats

Ans: B

salts and minerals

Question: 2

Which of the following is not a secondary air pollutant?

(A) sulphur dioxide

(B) ozone

(C) photochemical smog

(D) all a, b and c

Ans: A

sulphur dioxide

Question: 3

Which of the following gases has the least impact on global warming?

(A) carbon dioxide

(B) methane

(C) nitrous oxide

(D) carbon monoxide

Ans: D

carbon monoxide

Question: 4

Green house effect refers to increase in

(A) carbon monoxide

(B) atmosphere pressure

(C) greenery

(D) global temperature

Ans: D

global temperature

Question: 5

The burning of fuel containing trace amounts of chlorine cannot emit which pollutant?

(A) carbon monoxide

(B) furans

(C) dioxins

(D) hydrogen chloride

Ans: A

carbon monoxide

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