Which of the following indicates that a ChemicL change has taken place?

(A) a change from liquid to a gas
(B) an increase in the volume of a substance
(C) a change in the color of a substance
(D) a change from a solid to a liquid

A precipitate is a gas formed from the chemical of two substance.

(A)True
(B)False

Which of the following is a chemical change?

(A) melting ice
(B) boiling water
(C) a burning candle
(D) frost forming inside a freezer