Question

Classify the following changes as either aphysical ora chemical change.

a) Burning of Magnesium

b) Chopping of wood

c) Melting of wax

d) Digestion of food

Answer 1

a. chemical change
b. physical change
c. physical change
d. chemical change

Answer 2

a)chemical change
b)physical change
c)chemical change
d)physical change