1.

Assertion:As_2O_3 and Sb_2O_3 are amphoteric in nature Reason : As and Sb are metalliods

Answer»

Both (A) and (R) are TRUE and (R) is the CORRECT EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is FALSE
(A) is false but (R) is true

Answer :A


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