Question # 1

Which gas is produce by the electrical lightening of air.

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NO

SO₂

SO₃

CO₂

Global warming causes rising of the sea level. The cause of global warming is.

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CO₂ gas.

SO₂gas.

NO₂gases.

O₃gas.

Major portion of ozone layer is foun in.

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Troposphere

Stratosphere

Mesosphere

Thermosphere

Mesophere extend forms 50 km to:

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50 km

12 km

60 km

85 km

Global warming is because of.

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Absorption of infrared radiation emitted by earth surface.

Absorption of infrared radiation coming from sun.

Absorption of infrared Ultraviolet coming from the sun.

Emission of ultraviolet radiation from the earth's surface.

Ozone is an allotropic form of

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Carbon

Oxygen

Sulphur

Phosphorous

Which one of the following is not an air pollutants?

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Nitrogen

Carbon dioxide

Nitrogen oxide

Ozone

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

Iron and steel structure are damaged by.

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Carbon monoxide

Sulphur dioxide

Methane

Carbon dioxide

Which gas is also known as life gas for plants.

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CO

CO₂

O₂

NO₂

Which one of the following is not air pollutant.

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CO₂

CO

NO₂

O₂

Which one of the following gas has greater retaining capacity?

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O₂

N₂

CO

CO₂

How many percentage of sunlight is absorbed by atmosphere gases.

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12%

18%

24%

30%

Which is not a part of flue gas?

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Furans

Dioxins

HCl

H₂SO₄

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