Chemical Composition of Air-Particles, Ions and Radicals in the Atmosphere (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 4 of 4

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Question number: 1

» Chemical Composition of Air » Particles, Ions and Radicals in the Atmosphere

Appeared in Year: 2015

MCQ▾

Question

Which of the following does not add the carbon dioxide concentration in atmosphere? - (June)

Choices

Choice (4) Response

a.

Photosynthesis

b.

Decay of organic matter

c.

Respiration

d.

Volcanic action

Question number: 2

» Chemical Composition of Air » Particles, Ions and Radicals in the Atmosphere

Appeared in Year: 2011

MCQ▾

Question

Chemical formula for CFC-113 is (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Chemical Composition of Air » Particles, Ions and Radicals in the Atmosphere

Appeared in Year: 2013

MCQ▾

Question

Which of the following is not a reactive oxygen species? (December)

Choices

Choice (4) Response

a.

Hydroxyl ion

b.

Singlet oxygen

c.

Hydrogen peroxide

d.

Superoxide anion

Question number: 4

» Chemical Composition of Air » Particles, Ions and Radicals in the Atmosphere

MCQ▾

Question

Which of the following appears to contribute to global cooling rather than global warming?

Choices

Choice (4) Response

a.

Chlorofluorocarbons

b.

Methane

c.

Aerosols

d.

Nitrous oxide

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