Question # 1

Which is not a part of flue gas?

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Furans

Dioxins

HCl

H₂SO₄

In the troposphere (lowest layer), the temperature decreases form 17°C to;

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-58°C

-93°C

-61°C

-49°C

Forest fires and burning of wood emit.

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CO₂

NO₂

SO₂

Cl₂

Building and Monuments lose their beauty and shine due to

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U.V radiations

Chlorofluoro carbons

Acid rain

IR radiations.

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

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Infrared Radiations

Ultraviolet radiations

Chlorofluorocarbons

Air pollutants

Which of the following is a poisonous gas.

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Oxygen

Ozone

Nitrogen

Carbon dioxide

By the increase in the concentration of CO₂ in air.

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Decrease in heat energy

Increase in heat energy.

Heat energy remains same

None of them

The percentage of sun light absorbed by atmospheric gases is.

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2%

10%

18%

25%

Which one of the following is not air pollutant.

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CO₂

CO

NO₂

O₂

About 99% of atmospheric mass lies in.

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35 km

30 km

15 km

16 km

Which gas like a glass wall of g green house:

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CO

O2

CO2

N2

How many percentage of sunlight is absorbed by atmosphere gases.

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12%

18%

24%

30%

How many atmospheric temperature increase every year due to accumulation of CO₂ in air.

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0.03 ^oC

0.05 ^oC

1^oC

2^oC

Which gas is also known as life gas for plants.

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CO

CO₂

O₂

NO₂

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