What does the law of conservation of matter state?

Question

Matter can be changed, but not created or destroyed.

Matter can be created and changed, but not destroyed.

Matter can be destroyed and created, but not changed.

Matter can be created, destroyed, and changed.

Answer 1

The correct statement about the law of conservation of matter is:

Matter can be changed, but not created or destroyed.

This law states that in a closed system, the total mass of matter remains constant over time, meaning that matter can undergo physical or chemical changes but cannot be created or annihilated.