Question

III. Assertion and Reason type questions :
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true and R is not correct explanation of A
c) A is correct and R is incorrect
d) A is incorrect and R is correct.
7. Assertion (A): Valency is the combining capacity of an element.
Reason (R) Iron has a varible valency of 2 and 3.
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Answer 1

Answer:

i think the answer is option a

Answer 2

Answer:

assertion and reason are correct but reason is not correct explanation of A

Explanation:

Because in reason given example for assertion not the explanation.It just my option.