Question # 1

Ozone is beneficial for us as it absorbs.....................

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Infrared Radiations

Ultraviolet radiations

Chlorofluorocarbons

Air pollutants

Ozone is formed in:

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Troposphere

Stratosphere

Mesosphere

Thermosphere

The envelope of different gases around the earth is called.

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Atmosphere

Brosphere

Lithosphere

Hydrosphere

The green house effect is proportional to the amount of which gas in air.

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CO₂

O₂

N₂

All of them

The Earth's atmosphere is getting hotter because of.

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Increasing concentration of CO

Increasing concentration of CO₂

Increasing concentration of O₃

Increasing concentration of SO₂

The pH of water containing CO₂ is

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4-6

5.6-6

6-7

7-8

Which gas is emitted due to volcanic eruption?

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CO₂

SO₃

NO₂

H₂

Incinerator reduces solid waste into .

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Ash

Flue gas

Heat

All of them

Almost all aircrafts fly in:

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troposphere

mesosphere

stratosphere

themosphere

High concentration of which metal clogs the fish gills.

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Zinc

Aluminium

Sodium

Copper

The waste products driven out because of the combustion of fossil fuels.

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Primary pollutant

Secondary pollutant

Tertiary pollutant.

None of them

Which pollutant is responsible for changing weather?

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Air pollutant

Water pollutant

Soil pollutant

All of them

Which is not a part of flue gas?

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Furans

Dioxins

HCl

H₂SO₄

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10th Class Chemistry Chapter 14 The Atmosphere English Medium KPK Boards Online Mcqs MCQs With Answers

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