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Coal Tar

Which of thes...

Question

Which of these is used to repel moths?

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

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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Which of these is used to repel moths?

Q. Naphthalene, which is used to repel moths and other insects is obtained from:

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Q. Question 9
Naphthalene balls are obtained from coal tar and are used as

(a) mosquito repellant
(b) honeybee repellant
(c) moth repellant
(d) snake repellant

Q. Question 9
Naphthalene balls are obtained from coal tar and are used as

(a) mosquito repellant
(b) honeybee repellant
(c) moth repellant
(d) snake repellant

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