1.

Explain:Sponge though compressible is a solid.Rubber band though stretchable is a solid.

Answer»
  1. Sponge has minute pores in which air can be trapped, when pressed the air is expelled out and so it is compressible. However all its other characteristics is representing solid-state of matter & hence it is considered a solid.
  2. Rubber band changes its shape under the influence of force and regains the shape when the force is removed. That is why it is stretchable, but its constituent arrange itself as in solid state of matter. Hence, it is consider a solid.


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