Question

Three oxides of a certain hypothetical element contain 50%, 33.33% and 25% element by mass respectively. The simplest ratio of the valencies of element in the three oxides is: (A) 2 : 3 : 4 (B) 3 : 4 : 6 (C) 1 : 2 : 3 (D) None of these

Answer 1

Explanation:

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