Question

3. Which is the incorrect pair?
1 point
Growth of a plant: Chemical change
O boiling of a egg: chemical change
O cloud formation : chemical change
O burning of a paper : chemical change​

Answer 1

Answer: 3 option

Explanation: because when rain comes down it gets collected in a sea or any river source then it again forms cloud, thus proven that formation of a cloud is a physical change.

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Answer 2

Explanation:

cloud formation : chemical change is incorrect pair.

Because it is a physical change