Chemical Composition of Air-Chemistry of Air Pollutants (CBSE-NET (Based on NTA-UGC) Environmental Science (Paper-II)): Questions 1 - 3 of 3

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Question number: 1

» Chemical Composition of Air » Chemistry of Air Pollutants

Appeared in Year: 2015

MCQ▾

Question

Trichloromonofluoromethane is:

(1) Freon – 11

(2) A spray can propellant

(3) A chlorofluorocarbon

Choose the correct answer: (June)

Choices

Choice (4) Response

a.

1,2 and 3

b.

1 and 3 only

c.

2 and 3 only

d.

1 only

Question number: 2

» Chemical Composition of Air » Chemistry of Air Pollutants

Appeared in Year: 2011

MCQ▾

Question

The primitive atmosphere of earth consisted of – (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Chemical Composition of Air » Chemistry of Air Pollutants

Appeared in Year: 2013

MCQ▾

Question

If air quality standard for carbon monoxide is 9.0 ppmV, the percentage as in at 1 atm at is (December)

Choices

Choice (4) Response

a.

5.6

b.

20.0

c.

10.3

d.

15.2

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