Assertion (A): Electrolysis of hard water produces O_2 and D_2. Reason (R) :Ordinary hydrogen is called protium.

Assertion (A): Electrolysis of hard water produces O_2 and D_2. Reason

1.	Assertion (A): Electrolysis of hard water produces O_2 and D_2. Reason (R) :Ordinary hydrogen is called protium.
Answer» If both (A) and (R) are CORRECT and (R) is the correct EXPLANATION of (A). If both (A) and (R) are correct but (R) is NOTTHE correct explanation of (A). If (A) is correct, but (R) is INCORRECT. If (A) is incorrect, but (R) is correct. Solution :Both (A) and (R) are correct and (R) is the correct explanation of (A).