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Give scientific reasons: Naphthalene ba...

Give scientific reasons:
Naphthalene balls are kept with clothes.

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NAVNEET PUBLICATION-USEFUL AND HARMFUL MICROBES-EXERCISE
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  14. Give scientific reasons: Foam accumulates on the surface of 'dal' kep...

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  15. Give scientific reasons: Naphthalene balls are kept with clothes.

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  16. Read the following paragraph and answer the questions based on it. Rh...

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  17. Read the following paragraph and answer the questions based on it. R...

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