Define chemical change and give an example

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Ineed ! i have no clue how to do this problem.

Which is true of a liquid? it has a definite volume but not a definite mass. it has a definite mass but not a definite volume. it has a definite volume but not a definite shape. it has a definite shape but not a definite volume.