Question

12. What is true of a chemical change?

A.
C.
They do not create new substances
It cannot be seen on the molecular
level
B.
It cannot be smelled
D.
The do create new substances

Answer 1

D

Step-by-step explanation:

many chemical changes can be smelled, or heard, etc. And can be seen on a molecular level. Chemical changes create new substances:

Na + Cl = NaCl