Question

naphathalene balls wiith disappear with time without leaving any solid

Answer 1

Explanation: Naphthalene balls disappear with time because they undergo the property known as sublimation , which defines as changing of a solid directly to a gas without any liquid form . So Naphthalene balls change from solid to gas without leaving any solid

Answer 2

Explanation:

This is because the naphthalene balls are made up of petroleum and evaporates at room temperature,so after a couple of minutes the balls disappear