Question # 1

Ozone id beneficial for us as it:

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absorbs infrared radiations

absorbs ultraviolet radiation

absorbs chlorofluorocarbons

absorbs air pollutants

General formula of alkenes.

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C_n H_2n-2

C_nH_2n

C_nH_2n+2

C_nH_2n-1

Ammonia is prepared by:

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Solvay's process

Haber's process

Floatation process

Bayer's process

The process which convert vegetable oil into banaspati ghee called.

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Hydrogenation

Halogenation

a and b

None of these

Blonde hair contains compound of.

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Iron

Copper

titanium

Molybdenum

Imperial chemical industries was established in.

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1942

1944

1950

1990

The percentage of sun light absorbed by atmospheric gases is.

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2%

10%

18%

25%

Which gas like a glass wall of g green house:

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CO

O2

CO2

N2

The value of equilibrium constant (Kc) depends only on:

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temperature

Pressure

concentration

density

The boiling point of water is.

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100^oC

4^oC

0^oC

25^oC

Which one of the following diseases causes liver inflammation?

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Typhoid

Jaundice

Cholera

Hapatitis

Which one of the followoing is the Hardest coal.

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Peat

Lignite

Bituminous

Anthracite

Pitch is black residue of

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Coke

Coal-tar

Coal

Coal gas

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