Multiple choice

A sponge can be compressed easily whereas an iron rod cannot. Which among the following is the possible reason for this?

  1. Particles are tightly packed in iron rods whereas loosely packed in sponge.

  2. Particles of sponge possess weak intermolecular force of attraction whereas that of iron rod possess strong force.

  3. A sponge has minute holes in which air is trapped whereas no such holes are present in an iron rod.

  4. A sponge possesses the property of elasticity whereas an iron rod does not.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A sponge has minute holes in which air is trapped. When we press it, the air is expelled out and we are able to compress it.

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