When a candle burns, both physical and chemical changes take place

cbse
cbse-class-7-science
chemical-changes
physcial-and

#1

When a candle burns, both physical and chemical changes take place. Identify these changes. Give another example of a familiar process in which both the chemical and physical changes take place.

Answer:
When a candle burns, melting of wax is the physical change and burning of wax is the chemical change.
Similar changes can be seen in eating food. Here, chewing of food is physical change and digestion of food is chemical change.