The statement, "In a chemical reaction, matter is neither created nor destroyed" is called a the Law of Multiple Proportions. b Dalton's Atomic Theory. c the Law of Definite Proportions. d the Law of Conservation of Mass. e the Scientific Method.

D

Explanation:

The statement in the question above gives the statement of the law of conservation of matter. The law of conservation of matter states that matter can neither be created nor destroyed but can be converted from one form to another.

This particular law is talking about the indestructible nature of matter. Whatever form of matter we have presently was as a result of the fact that it was converted to from one initial form. It is this fundamental law that guides the operation of a wide number of scientific operations. Things like reaction between substances to form entirely or partially new substances are guided by these fundamental laws of nature