Question

a rubber band can change its shappe on stretching. will u classify it as solid or not? justify the answer.

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Answer 1

A rubber band changes its shape on stretching because an external force is applied on it. When the external force is removed, the rubber band takes it's shape back. It can be classified as solid

Answer 2

Rubberband is solid

Following are properties of solid

1. A solid has a definite volume and definite shape.

Reason: The intermolecular force of attraction is very strong. The molecules are strongly held and arranged in order.

2. A solid is rigid and cannot be compressed easily.

Reason: Molecules are closely spaced and the intermolecular separation is very small which cannot be reduced further.

3. A solid does not diffuse into another solid easily.

Reason: the Intermolecular force of attraction is very strong.

4. A solid does not flow and can be stored in a container.

Reason: Intermolecular fore of attraction is so strong that molecules do not flow and leave the surface of the solid.

5. A solid on hating usually changes into its liquid state.

Reason: Heating provides sufficient energy to molecules to overcome the intermolecular force of attraction. Intermolecular separation increases, changing the solid into the liquid.

Looking at the property number one it says the solids have the definite shape

its the external force that changes its shape but it again it regains it original shape so we can say it has the definite shape