Question

Classify each of the following, as a physical or a chemical change.

a) Burning of kerosene in lantern

b) Dissolving common salt in water​

Answer 1

Explanation:

(a) chemical change- as during burning carbon dioxide and heat releases

(b)chemical change - as we can got salt but heating the water..

Answer 2

Answer:

a) chemical changes b) physical change

Explanation:

Hello dear......

Here burning of kerosene in lantern is chemical change because if we light a lantern it burns and kerosene oil will be disappeared ..... and it cannot be re-new . but in that

and dissolving common salt in water is physical change because if we heat the water the salt will come again......

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