5. Why does a lump of cotton wool shrink in water?
Harshit Singh , 3 Years ago
Grade 12th pass
8 grade science> 5. Why does a lump of cotton wool shrink ...
1 AnswersPawan Prajapati
Last Activity: 3 Years ago
Ans: 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.
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