AIIMS (All India Institute of Medical Sciences) Chemistry: Questions 12 - 18 of 123

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Question number: 12

» Environmental Chemistry » Stratospheric Pollution » Depletion of Ozone Layer

MCQ▾

Question

Ozone hole refers to

Choices

Choice (4) Response

a.

Reduction in the thickness of ozone large in stratosphere

b.

Hole in ozone layer

c.

Increased concentration to ozone

d.

Reduction in the thickness of ozone large in troposphere

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Question number: 13

» Environmental Chemistry » Particulate Pollutants » Smog

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

Peroxyacetyl nitrate

c.

PAN

d.

Hydrolyze radicals

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Question number: 14

» Environmental Chemistry » Tropospheric Pollutants » Harmful Effects and Prevention

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Palladium

b.

Lead

c.

Platinum

d.

All a. , b. and c. are correct

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Question number: 15

» Environmental Chemistry » Water Pollution » Harmful Effects and Prevention

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Chlorofluorocarbons in air

b.

Pesticides in wales

c.

Sulphur dioxide in air

d.

Fluorides in water

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Question number: 16

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Aerosols

b.

Photochemical reductants

c.

Physical pollutants

d.

Photochemical oxidants

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Question number: 17

» Environmental Chemistry » Tropospheric Pollutants » Greenhouse Effect

MCQ▾

Question

Which of the following gases are knows as greenhouse gases?

Choices

Choice (4) Response

a.

Water vapor

b.

Methane

c.

d.

All a. , b. and c. are correct

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Question number: 18

» Environmental Chemistry » Soil Pollution » Major Pollutants

MCQ▾

Question

Most important cause soil of pollution is

Choices

Choice (4) Response

a.

Plastics

b.

Glass junks

c.

Iron junks

d.

Detergents

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