Question

A burning candle shows both physical and chemical changes. Explain.​

Answer 1

A burning candle shows both changes ..

physical changes- after melting it changes its shape.

chemical changes - wax after melting converts into wax vapour.

Answer 2

Physical change : wax changes from solid state to liquid state.

chemical change: The string inserted in wax is permanently burned and cannot be converted back, thus it is chemical change as well as physical change.