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Question

Which of the following is used to protect the silk and woollen clothes?

A
Salt solution.
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B
Naphthalene balls.
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C
Acid solution.
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D
Alkali solution.
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Solution

The correct option is B Naphthalene balls.
We keep naphthalene balls in silk and woollen clothes to protect them from insects. It is used as an insecticide and pest repellent.

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