Question

The burning of kerosene in a lantern is a physical or chemical change. Give Reason.

Answer 1

Physical change

• The changes which can be observed and specified like changes in hardness, rigidity, fluidity, color, density, boiling point, melting point, etc. are the physical changes.

Chemical change

• A chemical change is a change that results in the formation of new chemical substances.
• It involves making or breaking of bonds between atoms.

Burning of kerosene in a lantern

• When kerosene burns, it combines with atmospheric oxygen, formation of new products takes place.
• Hence burning of kerosene is a chemical change.