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PATHFINDER-MOLE AND STOICHIOMETRY-II-QUESTION BANK
- 1.575 g of oxalic acid (COOH)2. xH2O are dissolved in water and the v...
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- 0.63 g of dibasic acid was dissolved in water. The volume of the solut...
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- A 3M solution of Na2S2O3 (Relative Formula Mass = 158) has density of ...
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- To a 25 ml H2O2 solution, excess of acidified solution of potassium i...
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- In 100 ml sample of hard water, 100 ml of (N/50) Na2CO3 was added a...
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- A mixture of NaCI and Na2CO3 is given. On heating 12 g of the mixture...
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- Brass is an alloy of Cu-Zn. A sample of brass weighing 5.793 g, when t...
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- 0.324 g of copper was dissolved in HNO3 and the copper nitrate so pro...
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- 10 ml of NaHC2O4 solution is neutralized by 10 ml of 0.1 M NaOH solut...
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- A sample of a mixture of CaCI2 and NaCI weighing 4.22 g was treated to...
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- Calculate the concentration of Na2S2O3.5H2O solution in gL^(-1) 10 m...
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- lf the equivalent mass of a metal (M) is x and the formula of its oxid...
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- The oxidation number of sulphur in S8, S2F2,H2S and H2SO4 respective...
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- Calculate the oxidation no of the following Cl in CaOCl2 (Bleaching ...
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- Fe shows an oxidation state of +1 in
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- 2 mole of N2H4 loses 16 mole of election is being converted to a new c...
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- N2+3H2rarr2NH3 Molecular weight of NH3 and N2 are X, and X2, their ...
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- In a chemical reaction, K2Cr2O7+xH2SO4+ySOzrarrK2SO4+Cr2(SO4)3+zH2O th...
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- For the redox reaction, MnO4^(-)+C2O4^(2-)+H^+rarrMn^(2+) + CO2+H2O...
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- Ratio of moles of Fe (II) oxidised by equal volumes of equimolar KMnO...
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