naphthalene balls are obtained from Coal Tar are used as
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Naphthalene balls used to repel moth and other insects are also obtained from coal tar.
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Naphthalene obtained from coal tar are used as " Moth repellant"
Explanation: Naphthalene undergoes sublimation, .i.e it evaporates from a solid state directly into a gas and thus releases fumes are toxic to moths and larvae of moth. So Naphthalene balls are called Moth Balls..
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