Question

a physical law that states that matter is not created or destroyed during a chemical reaction.
○ mixture
○ homogeneous
○ law of conservation and mass
○ concentration

Explanation:

The description matches the definition of the law that governs matter in chemical reactions, where the total mass of reactants equals the total mass of products. The other options refer to mixture types or solution properties, not this physical law.

Answer:

Law of Conservation and Mass