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Chemistry

Chemistry
Malathion is a/an

Fumigant
Preservative
Insecticide
Pesticide

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Chemistry
In vulcanisation process, rubber can be hardened by adding

Sulphur
Alcohol
Nitrogen
Silicon

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Chemistry
Which type of radiations are absorbed by the upper layer of the atmosphere?

Infrared
Visible
Ultraviolet
Radio-waves

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Chemistry
Extensively used nitrogenous fertilizer is

Ammonium sulphate
Urea
Ammonium nitrate
Nitro-lime

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Chemistry
The gas used for artificial fruit ripening of green fruit is

Methane
Acetylene
Ethane
Ethylene

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Chemistry
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

liquation
leaching
magnetic separation
levigation

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MORE MCQ ON Chemistry

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