Question

Which of the following best summarizes the law of conservation of mass? a. Matter can be changed but not created or destroyed. b. Matter can be destroyed during a chemical reaction. C. Matter that gains mass during a chemical reaction is evidence that matter can be created.

Answer 1

Matter can be changed but not created or destroyed

Reason; matter can not be created or destroyed, but it can be changed.

Answer 2

I would say letter A.