3 Why does lump of cotton coal shrinke im water?
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3
Explanation:
A lump of cotton wool has a lot of air trapped inside the space present in its fibers. When this lump of cotton is immersed in water, all the air is replaced by water. Due to this, the cotton lump shrinks down
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9
Answer:
A lump of cotton wool has a lot of 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 lumps shrinks down.
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