1.

Note: Read the assertion and reason carefully and then mark the correct option out of the options given below: Assertion (A) : Boron, silicon and germanium are metalloids. Reason (R) : The position of an element in the Periodic Table tells us about its reactivity.

Answer»

Both (A) and (R) are true and (R ) is CORRECT EXPLANATION of the assertion.
Both (A) and (R ) are true but (R ) is explanation of the assertion.
(A) is true but (R ) is false.
(A) is false but (R ) is true.

Answer :B


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