Question

we can't join the broken chalk easily .give reason

Answer 1

because it is very thin and made up of calcium carbonate....

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Answer 2

Answer:

• A chalk is basically made up of one component called calcium carbonate.
• Unlike other materials calcium carbonate is rather very dry in nature.
• Hence to get a joint it by applying heat and air pressure is not possible in this case.
• For example: Joining a metal body is easier using heat for under pressure they form a molten state which is easier to join and chalk being very dry cannot be turned into molten state easily hence it is rather very tough to join a broken piece of Chalk.