Question

Select all that apply.

The Law of Conservation of Matter:

A.requires that matter must have had an origin outside of itself.

B.describes the idea that mass is neither lost nor gained in a chemical reaction.

C.states that the number and kinds of atoms present before and after a chemical reaction remain constant.

D.is not apparent by looking at the chemical equation for a reaction.

Answer 1

i think the answers are B and C the law of conservation of matter says no matter can be created or destroyed so therefore you must have an equal amount of atoms in the reactant and product, so B and C are stating around that general idea, hope this helps !