Question

Group the following into physical change and chemical change.
Dissolving salt in H₂O, Burning of a fuel,
Rusting of iron, melting of ice cube.

Answer 1

Physical changes:- Dissolving salt & melting of ice

chemical changes:- rusting and burning


____________________


#Hope it helps


Thank you

Answer 2

Hello Dear,

◆ Answer -

Physical changes -

1. Melting of ice cube
2. Dissolving salt in H₂O

Chemical changes -

1. Burning of a fuel
2. Rusting of iron.

● Extra information -

• In physical change, composition of substances remains same after. For example, formation of clouds, boiling of water, etc.
• In chemical change, composition of substance changes. For example, baking of cake, ripening of fruits, etc.

Thanks dear. Hope this helps you...