Question

What will happen if carbon dioxide gas is passed through lime water ?

(A) Calcium carbonate is formed

(B) The lime water turns milky

(C) Both of these

(D) None of these
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Answer 1

Answer:

both a and b is the correct answer

Explanation:

Carbon dioxide reacts with limewater (a solution of calcium hydroxide, Ca(OH) 2), to form a white precipitate (appears milky) of calcium carbonate, CaCO 3.

c option

Answer 2

Carbon dioxide reacts with limewater (a solution of calcium hydroxide, Ca(OH) 2), to form a white precipitate (appears milky) of calcium carbonate, CaCO 3. Adding more carbon dioxide results in the precipitate dissolving to form a colourless solution of calcium hydrogencarbonate.

THEREFORE, OPTION A) IS THE CORRECT ANSWER.

BECAUSE CALCIUM CARBONATE IS FORMED.