Question

The law of conservation of mass states ____.

• A. that matter can be created but not destroyed.
• B. that matter can neither be created nor be destroyed in a chemical reaction.
• C. that matter cannot be created but destroyed in a chemical reaction.
• D. that matter can be created as well as destroyed.

Answer 1

The correct option is B

that matter can neither be created nor be destroyed in a chemical reaction.

The law of conservation of mass states that matter can neither be created nor be destroyed in a chemical reaction, i.e. mass before and after the chemical reaction is same.