AIIMS (All India Institute of Medical Sciences) Chemistry: Questions 12 - 17 of 123

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Question number: 12

» Environmental Chemistry » Stratospheric Pollution » Depletion of Ozone Layer

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MCQ▾

Question

Ozone hole refers to

Choices

Choice (4)Response

a.

Hole in ozone layer

b.

Increased concentration to ozone

c.

Reduction in the thickness of ozone large in troposphere

d.

Reduction in the thickness of ozone large in stratosphere

Question number: 13

» Environmental Chemistry » Particulate Pollutants » Smog

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Question

Which of the following can be formed by the process involving the participation of unburned hydrocarbons?

Choices

Choice (4)Response

a.

Hydrolyze radicals

b.

Peroxyacetyl nitrate

c.

PAN

d.

Question number: 14

» Environmental Chemistry » Tropospheric Pollutants » Harmful Effects and Prevention

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Question

Which of the following metals can be used as catalytic converter in controlling photochemical smog?

Choices

Choice (4)Response

a.

Platinum

b.

Palladium

c.

Lead

d.

All a. , b. and c. are correct

Question number: 15

» Environmental Chemistry » Water Pollution » Harmful Effects and Prevention

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Question

Fluorosis, a bone disease, in caused by the presence of

Choices

Choice (4)Response

a.

Fluorides in water

b.

Chlorofluorocarbons in air

c.

Sulphur dioxide in air

d.

Pesticides in wales

Question number: 16

» Environmental Chemistry » Tropospheric Pollutants » Gaseous Pollutants: Oxides of Carbon, Nitrogen and Sulphur

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Question

The pollutants released by jet are planers in the atmosphere as fluorocarbon are called

Choices

Choice (4)Response

a.

Photochemical reductants

b.

Aerosols

c.

Physical pollutants

d.

Photochemical oxidants

Question number: 17

» Environmental Chemistry » Tropospheric Pollutants » Greenhouse Effect

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MCQ▾

Question

Which of the following gases are knows as greenhouse gases?

Choices

Choice (4)Response

a.

Methane

b.

c.

Water vapor

d.

All a. , b. and c. are correct

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