Assertion : The ratio of mass of hydrogen to the mass of oxygen is always 1:8
Reason : According to law of constant proportions, all pure specimens of different compounds always contain the same elements combined together in the same proportions by weight.
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
(c) If Assertion is true, but Reason is false.
(d) If Reason is true, but Assertion is false.