Question

Please Answer 4. give scientific reasons. b why are

Answer 1

Naphthalene balls are kept in clothes to protect them from insects.  However, a while after storage,these balls disappear on their own owing to the phenomenon of sublimation.

Answer 2

Answer:

naphthalene

ball contains certain toxic chemicals which prevent the silverfish or termite from spoiling cloth the fungal growth is also arrested due to naphthalene since the clothes remains well preserved with napthalene balls they are kept with the clothes during their long term storage