1.

Which one of the following satements is//are correct? 1) H_(2)O_(2) soluytions are stored in plastic or wax coated glass vessels since contact with rough surfaces acceleartes its decomposition 2) Urea, sodium stannate, acetanilide, sodium pyrophosphate etc., act as stabilizers(inhibitors)(negative catalyst) for the decomposition of H_(2)O_(2) 3) Silica, MnO_(2),iron, manganese, alumina act as accelerters(positive catalysts) for teh decomposition of H_(2)O_(2) H_(2)O_(2) is a very powerful oxidising agent and a poor reducing agent

Answer»

All are correct
1,2,4 correct
1,3 correct
2,4 correct

Answer :A


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