Question

Which changes to matter are described by the law of conservation of mass? (1 point) Responses Only chemical changes, not physical changes Only chemical changes, not physical changes Only physical changes, not chemical changes Only physical changes, not chemical changes Most changes, but not chemical changes that involve gases. Most changes, but not chemical changes that involve gases. All physical and chemical changes, including changes that involve gases

Answer 1

The correct response is: **All physical and chemical changes, including changes that involve gases.**

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction, meaning that both physical changes and chemical changes adhere to this principle.