Question

An iron ring is heated. Which of the following statement about it is incorrect?

The ring expands.
The ring almost comes to the same size on cooling.
The change in this case is reversed.
The ring changes its shape and the change cannot be reversed.
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Answer 1

Sorry Mate I don't know what is the answer of this question

Answer 2

Answer:

Option (d)

Explanation:

This statement is incorrect because it is a physical change and physical changes are reversible.