Question

A rubber band can change its shape then also it is solid

Answer 1

because it changes its shape under the action of force and when the force is removed it regains its original shape and if rubber band is stretched with a large force it breaks.

Answer 2

Because certain substances have their own common properties.
and a rubber band changes its shape because of its property of elasticity.

ELASTICITY: The property of a substance to regain its original shape.

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