Question

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Answer 1

Solids are rigid because the intermolucular

forces of attraction that are present in solids are very strong. The constituent particles of solids cannot move from their position they can only vibrate from their mean positive.

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Answer 2

1.1 : Intermolecular forces operating between the constituent particles in solids are very strong and they’re capable of keeping the molecules in fixed position this is the reason why the solids are rigid and hard

1:2- the molecules in solids have fixed position and strong intermolecular forces are acting between them therefore it solids have definite shape/volume