Why are napthalene balls kept in clothes to be put away

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Solution

Naphthalene is an organic compound which undergoes sublimation.

-->Naphthalene balls are kept in stored woollen and silk clothes etc to protect from the attack of moths and other insects.
---> It is noticed that if kept open,Naphthalene balls disappears with time without leaving behind any residue.
--->The naphthalene balls keep on forming naphthalene vapours slowly which disappears into air.

Hence for the above reasons, naphthalene balls are stored in tight packing

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Q. Give scientific reasons.

a. Foam accumulates on the surface of 'dal' kept for a long time in summer.
b. Why are naphthalene balls kept with clothes to be put away?

Give scientific reasons.

a. Foam accumulates on a the surface of ‘dal’ kept for a long time in summer.

b. Why are naphthalene balls kept with clothes to be put away.

When we go in a mall especially at cloth shop, we find that the front wall of the shop is made up of glass through which we can see the clothes kept inside as well as there are mannequin (dummies wearing clothes) kept in front of the wall which attracts us to go inside the shop. By which property of glass can we see the objects behind the glass?

Q. Fill in the blank with the most appropriate word.
"_______ did you go to the mall?"
"To buy some new clothes."

Q. Napthalene dissolves in kerosene because napthalene and kerosene are respectively:

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Why are napthalene balls kept in clothes to be put away ?

Why are napthalene balls kept in clothes to be put away

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