Question # 1

On which base atmosphere is divided into four regions?

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Change in pressure

Change in rediation

Change in temperature

Change in volume

At the height 880120 km from earth's surface is.

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Troposphere

Mesosphere

Stratosphere

Thermosphere

Which one of the following is not air pollutant.

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CO₂

CO

NO₂

O₂

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

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Thermosphere

Stratosphere

Mesophere

Thermosphere

The formula of ozone is.

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O₂

O₃

O

CO

Fossil fuel means.

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Coal

Petroleum

Natural gas

All of them

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

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Precipitates

Residue

Crystals

All of them

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

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26%

32%

50%

18%

Acid rain damages the building it is due to reaction on.

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Calcium sulphate

Calcium nitrate

Calcium carbonate

Calcium oxilat

Forest fires and burning of wood emit.

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CO₂

NO₂

SO₂

Cl₂

Cause of global warming is :

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CO₂ gas

SO₂gas

NO₂gas

O₂gas

Which is not a part of flue gas?

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Furans

Dioxins

HCl

H₂SO₄

Which gas is produce by the electrical lightening of air.

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NO

SO₂

SO₃

CO₂

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