Question

According to the law of conservation of matter, which statement about chemical reactions is true?
A.
Every atom destroyed in a chemical reaction must be replaced.
B.
Energy is created as atoms are destroyed in chemical reactions.
C.
Atoms cannot be created or destroyed by chemical reactions.
D.
Atoms are created by some reactions and destroyed by others.

Answer 1

Answer:

c

Explanation:

Sum of mass of reactants is equal to that of product

Answer 2

Answer:

c)

Atoms cannot be created or destroyed by chemical reactions.