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Question

Which of the following is used in the preparation of a pesticide?


A

Naphthalene balls

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B

Bitumen

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C

Coal gas

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D

Paraffin wax

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Solution

The correct option is A

Naphthalene balls


Coal tar is a dark black coloured liquid.It is used in the preparation of organic compounds like explosives, pesticides, dyes, drugs, artificial fibres etc.Naphthalene or mothball is a white solid with a pungent odour derived from the distillation of coal tar. It sublimes into a pungent toxic smell which drives away insects and moths.


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