Question 1 . which of the following is not an example of a chemical change? . a candle burning. cake baking. glass breaking. a nail rusting. question 2 . all of the following require breaking and forming chemical bonds except: . freezing ice. a plant decaying. a piece of silver tarnishing. roasting a marshmallow. question 3 (multiple choice worth 2 points). chemical changes. are only caused through burning a material.. only occur to weak materials.. change the identity of a substance.. do not affect the identity of a sub