Question

A burning candle undergoes only a physical change True or false​

Answer 1

Answer:

When a candle burns, both physical & chemical changes occur. On heating, candle wax melts and form liquid wax. It is a physical change. Since it again turns into solid wax on cooling.

Answer 2

Answer:

false

it undergoes both physical ( the melted wax cools down and solidifies) and chemical change (some of the wax gets evaporated which can not change back to its original form)