CBSE Class 6 Answered
A lump of cotton, wool shrink in water
Asked by bhagrammeena | 09 Feb, 2019, 20:08: PM
A lump of cotton wool shrink in water because,
The cotton has air trapped in pores. When it is dipped in water, the air from the pores escapes.
So there are no air spaces left in cotton wool and the size of cotton wool decreases.
Answered by Varsha | 11 Feb, 2019, 13:22: PM
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