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Q.

Is it true that coal tar is used to make naphthalene balls?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Coal tar gives different substances like benzene, toluene, phenol on fractional distillation. It is a black liquid with an unpleasant smell and thick. Naphthalene balls are known as moth balls obtained from coal tar. Naphthalene balls are used as a moth repellent. In addition, Naphthalene is used for storing clothes or other fabrics.
 
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