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CHEMISTRY

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

Sulphonation
Galvanization
Acceleration
Vulcanization

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Chemistry
Rusting of iron takes place due to

Corrosion
Oxidation
Exfoliation
Carbonation

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Chemistry
Combustion of a candle is a/an

Endothermic reaction
Photochemical reaction
Exothermic reaction
Physical change

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

Propane
Butane
Methane
Ethane

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Chemistry
Candle is a mixture of

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

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