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Find the volume in ml of 0.05 KMnO4 (Acidic) required two oxidise 2 gm. FeSO4 in dilute solution
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The vapour density of a mixture containing NO2 and N2O4 is 38.3 at 27deg. Celsius. Calculate the moles of NO2 in 100 moles of mixture.
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Find the amount of 98% pure Na2CO3 required to prepare 5 liters of 1N solution.
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Calculate the volume of Hydrogen liberated at STP when 500 cm3 of 0.5 N Sulphuric Acid reacts with excess of Zinc.
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50 ml. of 0.1M HCl solution is mixed with 50ml. of 0.1M NaCl solution. What is the molarity of Cl(- 1 ion) in resulting solution.
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Find the number of moles of K2Cr2O7 reduced by one mole of Sn(2+ ions).
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calculate the weight of iron which will be converted into its oxide(Fe2O3) by action of 18g of steam on it
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how many g-atom and number of atoms are there in [a]60g carbon and [b] 224.4g of Cu
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the label on a bottle of H2O2 solution reads as 10 volume. report concentration of H2O2 in percentage by volume
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