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CHEMISTRY

Chemistry
The process of improving the quality of rubber by heating it with sulphur is called.

Sulphonation
Acceleration
Galvanization
Vulcanization

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Chemistry
Rusting of iron takes place due to

Oxidation
Exfoliation
Corrosion
Carbonation

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Chemistry
Combustion of a candle is a/an

Exothermic reaction
Photochemical reaction
Endothermic reaction
Physical change

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Chemistry
Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?

Butane
Ethane
Propane
Methane

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Chemistry
Candle is a mixture of

Bees wax and paraffin wax
Higher fatty acids and stearic acid
Bees wax and stearic acid
Paraffin was and stearic acid

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