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Chemistry

Chemistry
Air shows the property of

N2
O2
Both A and B
None of these

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Chemistry
Which one of the following is not coal variety?

Lignite
Dolomite
Peat
Bituminous

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Chemistry
In a Carbonyl group a carbon atom makes double bond with

Carbon
Hydrogen
Oxygen
None of these

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Chemistry
Aluminium can be purified by

Ozonolysis
Electrolysis
Oxidation
Distillation

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Chemistry
An inert gas mixed with oxygen given to patients suffering from restricted breathing is

Radon
Helium
Krypton
Argon

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Chemistry
Petroleum is a mixture of

Polymers
Salts
Hydrocarbons
Elements

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