Question

A scientist places 10 ml of water in a test tube and heat it with flaming burner for 2 minutes. The liquid boils and escapes as a steam. This experiment is a good example of a

A chemical change

B physical change

C chemical property

D physical property​

Answer 1

physical change

the easiest way to tell between is a chemical or physical change, is when you ask yourself this: did the substance change?
in this scenario, water and steam are still considered the same thing. they’re both different forms of water. if something in a reaction stays the same substance, it’s a physical change.