Multiple choice

Regarding the solid state of matter, the most suitable explanation is that it has

  1. definite shape, distinct boundaries and fixed volume

  2. definite volume

  3. definite mass and volume

  4. definite shape with fixed mass

  5. definite mass

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A Correct answer
Explanation

Solids have definite shape, distinct boundaries and fixed volumes, i.e. they have negligible compressibility. Solids have a tendency to maintain their shape when subjected to outside force. Solids may break under force, but it is difficult to change their shape; so they are rigid.