Question

When the gas formed on heating limestone is
passed through freshly prepared lime water, the
me water turns milky.​

Answer 1

When Carbon dioxide is passed through Lime water or Calcium Hydroxide, it turns milky due to the formation of the Precipitate of the insoluble milky Calcium Carbonate.

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Answer 2

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When Carbon dioxide is passed through Lime water or Calcium Hydroxide, it turns milky due to the formation of the Precipitate of the insoluble milky Calcium Carbonate.