Which of these indicate that a chemical reaction has occurred?

A.) Formation of a gas.

B.) Boiling of a substance.

C.) Melting of a substance.

D.) Freezing of a substance.

Question

Rayan Kidd

20 February, 14:33

+5

Answers (2)

Know the Answer?

Nash Sullivan · Answer 1

I think b.) cause its evaporating

; )

Soren Stokes · Answer 2

Your answer is C - Melting of a substance

Which of these indicate that a chemical reaction has occurred?A.) Formation of a gas.B.) Boiling of a substance.C.) Melting of a substance.D.) Freezing of a substance.