1.

Assertion (A) : On passing steam over hot iron, oxygen gas is produced. Reason (R) : A molecule of zinc sulphate contains four atoms of oxygen.

Answer»

Both (A) and (R) are true and (R) is CORRECT explanation of the assertion.
Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
(A) is true but (R) is false.
(A) is false but (R) is true.

SOLUTION :It is HYDROGEN that is PRODUCED and not oxygen.


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