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Chemistry

Chemistry
Malathion is a/an

Fumigant
Preservative
Insecticide
Pesticide

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Chemistry
By which organic compound all the oils are known ?

Ester
Hydrocarbon
Protein
Carbohydrate

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Chemistry
Which one of the following is not coal variety?

Dolomite
Bituminous
Lignite
Peat

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Chemistry
The major component in the LPG is

Butane
Ethane
Propane
Methane

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Chemistry
Formic acid is produced by

White ants
Red ants
Cockroaches
Mosquitoes

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Chemistry
Which method will be employed to test the hardness of water?

Boiling
None of these
Distillation
Formation of lather with soap

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