1. We can't rejoin the broken chalk easily.Give reason.
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Force of attraction between the particles of the chalk is weak. 2 It is easy to break but we can’t join. 3 To join two materials we need to let the molecules of two get near enough for the coulomb forces to start acting. 4 That’s why any solid keeps its shape. 5 Liquids can’t keep its shape because the molecular distance in liquids is too large for this action.
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the force of attraction between the particles is very low.
that's the reason why the chalk is broken easily and can't rejoin
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