Question

we can't rejion the broken chalk easily .give reasons​

Answer 1

Answer:

When it is broken, it breaks the chemical change and chemical change cannot be reversed. So, it does not rejoin anymore. The chalk is broken so it is made up of calcium carbonate and chemical changes may be changed. It does not rejoin.

Explanation:

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Answer 2

Answer:

The chalks are made up of calcium carbonate. When it is broken, it breaks the chemical change and chemical change cannot be reversed. So, it does not rejoin anymore.

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