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0. An element X reacts with dilute H2S04 as well as with NaOH to produce salt and H2(g). Hence, it may be concluded that (I) X is an electropositive element (II) Oxide of X is basic in nature (III) Oxide of X is acidic in nature (IV) X is an electronegative element (NTSE Stage-II,2015-16)
(I), (II), (III)
(IV), (I), (III)
(III), (IV), (I)
(II), (III), (IV)
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