Social Sciences, asked by gaurav4100, 11 months ago

action of heat on Blue virtual is a physical as well as chemical change justify​

Answers

Answered by sangeethaaloor
2

Answer:

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Explanation:

Answer: When blue vitriol is a gradually heated to about 800oC, it undergoes a physical change to form a white powder. On adding a drop of water to the white powder, it changes back to blue.

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