Question

Which of the following describe a chemical change? (Select all that apply)

A. Melting of ice
B. Evaporation of alcohol when a table is wiped with an alcohol swab
C. Burning of firewood
D. Rusting of iron
E. Breaking a glass
F. Cooking an egg

Answer 1

D.Rusting of iron because rust is chemical

Answer 2

C and D are the chemical changes

Step-by-step explanation:

Beacause it's irreversible. Its mean ash cannot be made into it's initial form(i.e. wood).And rust cannot be changed into iron easily.