The oxides which give \( \mathrm{H}_{2} \mathrm{O}_{2} \) on treated with dilute acid are : (A) ...
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The oxides which give \( \mathrm{H}_{2} \mathrm{O}_{2} \) on treated with dilute acid are :
(A) \( \mathrm{PbO}_{2} \)
(B) \( \mathrm{MnO}_{2} \)
(C) \( \mathrm{Na}_{2} \mathrm{O}_{2} \)
(D) \( \mathrm{BaO}_{2} \)
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