Question

In which of the following process chemical changes occur? 1.evaporation 2.burning 3.boiling 4.moisturisations

Answer 1

Out of the four options, in burning chemical changes occur.

This is because when we burn sometime, the object is converted into ash and the chemical composition of ash is completely different from that of the original substance.

The change is permanent and irreversible and by no means we can get the original substance by any physical or chemical means.

Answer 2

Heya!!

(2) is ur answer

Hope it helps✌️✌️