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Chemistry 10th Class English Medium Unit 14 Online Test MCQs With Answers

Question # 1

Which gas is emitted due to volcanic eruption?

Choose an answer

CO₂

SO₃

NO₂

H₂

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Question # 2

Which one of these pollutants are not found in car exhaust fumes?

Choose an answer

CO₂

O₃

NO₂

SO₂

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Question # 3

How much amount of sunlight reaches up to earth and absorbed:

Choose an answer

26%

32%

50%

18%

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Question # 4

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

Choose an answer

Primary pollutant

Secondary pollutant

Tertiary pollutant.

None of them

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Question # 5

At which region all weather occurs?

Choose an answer

Troposphere

Stratosphere

Mesosphere

Thermosphere

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Question # 6

Earth has natural systems.

Choose an answer

One

Two

Three

Four

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Question # 7

Fossil fuel means.

Choose an answer

Coal

Petroleum

Natural gas

All of them

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Question # 8

Ozone is beneficial for us as it

Choose an answer

Absorb infrared radiation.

Absorb Ultraviolet radiations.

Absorb Chlorofluorocarbons

Absorb Air pollulant

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Question # 9

The solid particle deposit on the filter paper during filtratin is called.

Choose an answer

Precipitates

Residue

Crystals

All of them

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Question # 10

Depending upon temperature variation, atmosphere ins divided into how many regions?

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Question # 11

The layer above troposphere extend upto 50 kilometers called.

Choose an answer

Mesosphere

Hydrosphere

Stratosphere

Thermosphere

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Question # 12

Atmospheric region found between 50-58 km from the earthis.

Choose an answer

Thermosphere

Stratosphere

Mesophere

Thermosphere

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Question # 13

Ozone id beneficial for us as it:

Choose an answer

absorbs infrared radiations

absorbs ultraviolet radiation

absorbs chlorofluorocarbons

absorbs air pollutants

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