Question

in.........type of change the initial shape of the substance cannot be obtained

Answer 1

If the position of the first and the digits with each number are interchanged which of the following will be the third digits of the second lowest number after interChange

Answer 2

In chemical type of change initial substance can't be obtained but if you are talking about shape then it's physical change.
Example- tearing of a paper.
Hope it helps
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