Question

napthathalein ball disappear if kept in air for afew weeks

Answer 1

Hi dear

Yes it is true statement
It happens bcz of sublimation.... It is process of direct conversion of solid to gas.....
Without the involvement of liquid state

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Hope it will definitely help u

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Answer 2

Heya____!!!!

Here's your answer____=>=>

¤¤ Naphthalene balls disappear after some time if kept in air due to the process of sublimation. ¤¤

•°•It is the process in which a solid directly change into vapours on increasing the temperature and decreasing pressure and the vapours directly change into solid state on decreasing the temperature and increasing pressure.•°•

~So, the naphthalene balls sublime in the air.~

Hope it will help you____☆▪☆

Thanks____^_^