Question

2. 3 What is the difference between melting of wax and burning of a candle? Which process occurs when a matchstick is rubbed against the side of a matchbox? Why do changes occur? (4.​

Answer 1

Answer:

Melting of wax is a physical change while burning of candle is chemical change.So it can be both the change.But we mainly write it as a chemical change.

A matchstick burns only when it is rubbed against the side of matchbox which is meant to rub the matchstick to ignite it. And when a matchstick is brought near the burning object matchstick starts burning.