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14. 0.2 g of sample of H202 required 10 ml of1N KMNO solution in a titration in presence of dil.H2SO4. The percentage purity of H202 is(1) 25%(2) 65%(3) 85%(4) 95%

Answer» 14. 0.2 g of sample of H202 required 10 ml of1N KMNO solution in a titration in presence of dil.H2SO4. The percentage purity of H202 is(1) 25%(2) 65%(3) 85%(4) 95%


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