Question

Q. Give reason :
(i) Lime water turns milky on passing carbon dioxide gas through it.
(ii) Bubbles are produced when aectic acid is added to a solution of sodium hydrogen carbonate. ​

Answer 1

Answer:

(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 hydrogen carbonate because carbon dioxide is evolved due to the chemical reaction between acetic acid and sodium hydrogen carbonate.

Answer 2

Answer:

THE REASONS ARE :

I) Calcium hydroxide is sparingly soluble in water producing an alkaline solution known as limewater.

ii) The chemical reaction between acetic acid and sodium hydroxide carbonate produces carbon dioxide which burst out in the form of bubbles.

Explanation:

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