Question

Melting of wax is a _________ change.

A

physical

B

chemical

C

both and

D

none of the above

Medium

Solution

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Correct option is
C

both and

No new substances are formed. In a burning candle, there are both physical and chemical changes. The melting of the solid wax to form liquid wax and the evaporation of liquid wax to form wax vapour are physical changes. The burning of the wax vapour is a chemical change.

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