1.

Assertion (A) : Transition metals vary widly in their chemical activity. Reason (R) : Many of transition elements are sufficiently electropositive to dissolve in mineral acids.

Answer»

Both Assertion (A) and REASON (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
Assertion (A) is correct, but Reason (R) is incorrect STATEMENT.
Assertion (A) is incorrect, but Reason (R) is correct statement.

ANSWER :B


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