Assertion: `KHCO_(3)` can not be obtained by solvay process.
Reason: `KHCO_(3)` is less soluble than `NaHCO_(3)`
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
B. If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion
C. If Assertion is True but the Reason is False
D. If both Assertion & Reason are False