Question

are
13. For question numbers 13 and 14, two statements are given- one labelled as
Assertion
(A) and the other labelled as Reason (R). Select the correct answer to
these questions from the codes (a), (b), (C) and (d) as given below:
(a) Both (A) and (R)
true and (R) is
is the
correct explanation of the assertion (A).
(b) Both (A) and (R) are true, but (R) is not the correct explanation of
the assertion (A).
(c) (A) is true, but (R) is false.
(d) (A) is false, but (R) is true.
Assertion (A): Following is a balanced chemical equation for the action of
steam on iron:
3Fe + 4H20 ---> Fe3O4 + 4H2
(1)
Reason (R): The law of conservation of mass holds good for a chemical
equation.

Answer 1

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

Explanation: The metals and alloys are good conductors of electricity. Bronze is an alloy of copper and tin and it is a good conductor of electricity.