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  • May 19, 2023 at 6:46 pm #24031
    Kshitij Kumar

      Why does a lump of cotton wool shrink in water?

      May 19, 2023 at 6:50 pm #24033
      ProtonsTalk
      Keymaster
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        A lump of cotton wool had a lot of air trapped inside it. It shrinks in water as the water gets into the lump and pushes out the air.

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