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ICSE Class 8 Chemistry Question 10 of 13

Matter — Question 13

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Question 13

Why can a piece of chalk be broken easily into smaller pieces while a coal piece cannot be broken easily?

Answer

The magnitude of intermolecular force of attraction between the molecules of coal is much higher than that between the molecules of chalk. Hence, a piece of chalk can be broken easily into smaller pieces while a coal piece cannot be broken easily.