Which is an example of a chemical reaction?
A B C D
nails rusting glass melting sugar dissolving alcohol vaporizing
Question: Which is an example of a chemical reaction?
(A) nails rusting
(B) glass melting
(C) sugar dissolving
(D) alcohol vaporizing

Answer: (A) nails rusting
Answer: (B) glass melting
Question: Which is an example of a chemical reaction?
(A) nails rusting
(B) glass melting
(C) sugar dissolving
(D) alcohol vaporizing
Answer: (A) nails rusting