Question

water?
a lump of cotton wool shrink in water​

Answer 1

Answer:

Yes

Explanation:

Lump of cotton wool has air among gaps of cotton fibres. When water replaces the air from these gaps, the cotton lump becomes heavy and also shrinks due to removal of air gaps.

Answer 2

Answer:

A lump of cotton wool has a lotbof air trapped inside the space present in its fibres. When this lump of cotton is immersed in water, all the air is replaced by water. Due to this the cotton lump shrinks down.

Hope this will help you

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