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CHEMISTRY

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

Vulcanization
Sulphonation
Galvanization
Acceleration

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Chemistry
Rusting of iron takes place due to

Carbonation
Oxidation
Exfoliation
Corrosion

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Chemistry
Combustion of a candle is a/an

Exothermic reaction
Physical change
Endothermic reaction
Photochemical reaction

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

Propane
Ethane
Butane
Methane

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Chemistry
Candle is a mixture of

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

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