Question

Classify each of the following as either a chemical or physical change:
a) Dissolving sugar in water:
b) Burning gasoline:
c) Freezing orange juice:
d) Digesting food:
e) Cutting aluminum foil:

Answer 1

Sure! Here are the classifications for each change:

a) Dissolving sugar in water: **Physical change** (The sugar can be recovered by evaporation.)

b) Burning gasoline: **Chemical change** (New substances are formed when gasoline burns.)

c) Freezing orange juice: **Physical change** (This is a change of state; the juice can be thawed back into liquid form.)

d) Digesting food: **Chemical change** (The food is broken down into new substances during digestion.)

e) Cutting aluminum foil: **Physical change** (The aluminum is still the same substance, just in a different shape.)