Question

To study the type of change in burning of a candle

Answer 1

Answer:1) physical ,2) chemical change. Explanation:

No new substances are formed. In a burning candle, there are both physical and chemical changes.

Physical change:The melting of the solid wax to form liquid wax and the evaporation of liquid wax to form wax vapour are physical changes.

Chemical change:The burning of the wax vapour is a chemical change.

Answer 2

Answer:

physical change

1. Explanation:

physical change in burning candle on heating candle wax melts,it is a physical change since it again turns into solid wax on cooling