Question

Differentiate between physical and chemical change. Give one example of each. Give one example where both physical and chemical change is taking place.

Answer 1

Physical change	Chemical change
1. Change that occurs without a change in chemical composition.	1. Chemical change brings difference in chemical properties.
2. No new substance is formed only the state changes.	2. New substances are formed.
3. It is a temporary process.	3. It is a permanent process.
E.g.Change of state ice to water to gas	E.g. Burning

Burning of candle exhibit both physical (melting of wax) and chemical (burning of candle) change.