Question # 1

Major portion of ozone layer is foun in.

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Troposphere

Stratosphere

Mesosphere

Thermosphere

Ozone is an allotropic form of

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Carbon

Oxygen

Sulphur

Phosphorous

Which gas saves the surface of earth from ultra violet radiation?

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CO₂

CO

N₂

O₃

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

Atmosphere has regions.

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One

Two

Three

Four

Building and Monuments lose their beauty and shine due to

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U.V radiations

Chlorofluoro carbons

Acid rain

IR radiations.

Ozone layer is not found is

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Upper stratosphere

Mid stratosphere

Lower stratosphere

All of them

Ozone has a smell

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Bitter

Rotten egg

Sweat

None of them

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

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Calcium sulphate

Calcium nitrate

Calcium carbonate

Calcium oxilat

Normally rain water is weakly acidic because of.

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SO₃ gas.

CO₂gas.

SO₂gas.

NO₂gas.

Which is not a character of SO₂

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it is a colourless gas

It has irritating smell

It causes suffocation

It do not form sulphuric acid

Which one of the following is not an air pollutants?

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Nitrogen

Carbon dioxide

Nitrogen oxide

Ozone

Almost all air crafts fly in which reion?

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Troposphere

Stratosphere

Mesosphere

Thermosphere

The range of temperature in burning solid waste burning in incinerators is.

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650 ^oC - 1000 ^oC

650^oC - 11000^oC

1000^oC - 2000^oC

650^oC - 1000^oC

5000^oC - 1000^oC

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