Question

Making statues out of plaster of Paris is an irreversible and chemical chemical change. Why??

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Answer 1

Heya...

Here is your answer...

Making statues out of plaster of Paris is an irreversible change because plaster of Paris has a property of setting into a hard mass on getting mixed with water due to the formation of a new compound. The hard mass cannot be converted back into the previous plaster of Paris. Hence, it is an irreversible change.

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