Question

Give an equation where when X and Y react together frost formation takes place outside the test tube. Give reason to the observation

Answer 1

Answer:

During frosting, water converts into ice i.e,the substance changed from liquid state to solid state. Here the state of the substance is changed which is a physical change and no new compound is formed which means it is not a chemical change.

Explanation:

According to my answers but clarify in classroom...this ans.