a piece of chalk immersed in water emits bubbles why
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Further, these pores are interconnected. When a piece of chalk is dipped intowater, the fine pores suck water due to capillary action as a consequence of surface tension at the junction of the calcium carbonate particles and water.
Ishan711:
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Chalk is a porous material so it is not solid but has air cells in it, so when u immerse it in the water the air is driven out....
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