When substances go through chemical changes, which of the following will always happen?

Question

A.
Exactly one new substance will form and one will be destroyed.
B.
One or more substances with different chemical properties will form.
C.
A gas will form or a white solid will precipitate.
D.
One or more substances will be completely destroyed.

Answer 1

The correct answer is:

B. One or more substances with different chemical properties will form.

During a chemical change, the original substances (reactants) undergo a transformation to form new substances (products) that typically have different chemical properties from those of the reactants.