Question

Chemical compounds undergo both physical and chemical changes. Which of the following is an example of a chemical change.

A. salt (NaCl) being dissolved into water


b. heating a solid material to a liquid form


c. cooling a gas into its liquid form


d. combining oxygen gas and hydrogen gas to form liquid water

Answer 1

The answer is C, Hope this helped

Answer 2

A salt (NaCl) being dissolved into water