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Explain the following:

(a) Lime water turns milky on passing carbon dioxide gas into it.
(b) Bubbles are produced when acetic acid is added to a solution of sodium hydrogencarbonate.

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(a) Lime water turns milky on passing carbon dioxide gas into it because White coloured insoluble calcium carbonate is formed.

(b) Bubbles are produced when acetic acid is added to a solution of sodium hydrogencarbonate because carbon dioxide is evolved due to the chemical reaction between acetic acid and sodium hydrogen carbonate.

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Sumit Saini

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