Assertion (A): If excess of carbon dioxide is passed through lime water, it becomes transparent.
Reason (R): Calcium bicarbonate is soluble in water.

Options

A. Both (A) and (R) are true and (R) is the correct explanation for (A).
B. Both (A) and (R) are true but (R) is not the correct explanation for (A).
C. (A) is true but (R) is false.
D. (A) is false but (R) is true.

Answer

A

Explanation

If excess of carbon dioxide is passed through lime water, it becomes transparent due to the formation of `Ca(HCO_3)_2` .