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Questions and Answers
What is the formula to calculate the number of moles of a solute?
What is the formula to calculate the number of moles of a solute?
- Normality × No. of liters of the solution
- Molarity × No. of liters of the solution (correct)
- Molarity × Molecular mass
- Strength of the solution ÷ Molecular mass
What is the equivalent mass of HSO₄⁻?
What is the equivalent mass of HSO₄⁻?
- 49.0 (correct)
- 32.7
- 98.0
- 63.0
What is the relationship between molarity and normality in acid-base reactions?
What is the relationship between molarity and normality in acid-base reactions?
- Molarity = 2 × Normality
- Normality = 2 × Molarity
- Normality = Molarity × Acid/base equivalent (correct)
- Molarity = Normality
What is the formula to calculate the strength of a solution?
What is the formula to calculate the strength of a solution?
What is the equivalent mass of CH₃COOH?
What is the equivalent mass of CH₃COOH?
What is the equivalent mass of H2SO4 in the reaction 2NaCl + H2SO4 → Na2SO4 + 2HCl?
What is the equivalent mass of H2SO4 in the reaction 2NaCl + H2SO4 → Na2SO4 + 2HCl?
What is the normality of a solution containing 31.6 g of KMnO4 in 1 litre of solution, considering the reaction in acidic medium?
What is the normality of a solution containing 31.6 g of KMnO4 in 1 litre of solution, considering the reaction in acidic medium?
What is the strength of a solution containing 98 g of H2SO4 in 1 litre of solution, considering the reaction 2NaCl + H2SO4 → 2NaHSO4 + 2HCl?
What is the strength of a solution containing 98 g of H2SO4 in 1 litre of solution, considering the reaction 2NaCl + H2SO4 → 2NaHSO4 + 2HCl?
If 2 mole of NaOH reacts with 1 mole of H2SO4, what is the normality of the resulting solution?
If 2 mole of NaOH reacts with 1 mole of H2SO4, what is the normality of the resulting solution?
What is the relationship between molarity and normality for a solution of acid?
What is the relationship between molarity and normality for a solution of acid?
What is the formula for calculating the number of milli-equivalents of a substance?
What is the formula for calculating the number of milli-equivalents of a substance?
If a solution of acid A has a normality of 0.5 N and a volume of 250 mL, and a solution of acid B has a normality of 0.25 N and a volume of 500 mL, what is the relationship between the two solutions?
If a solution of acid A has a normality of 0.5 N and a volume of 250 mL, and a solution of acid B has a normality of 0.25 N and a volume of 500 mL, what is the relationship between the two solutions?
What is the equivalent mass of a metal hydroxide if the equivalent mass of the metal oxide is 40 and the equivalent mass of the metal is 20?
What is the equivalent mass of a metal hydroxide if the equivalent mass of the metal oxide is 40 and the equivalent mass of the metal is 20?
What happens when a solution of calcium hydroxide is reacted with carbon dioxide?
What happens when a solution of calcium hydroxide is reacted with carbon dioxide?
What is the relationship between the normality of a solution before and after dilution?
What is the relationship between the normality of a solution before and after dilution?
What is the characteristic smell of NH₃?
What is the characteristic smell of NH₃?
What is the result of the reaction between NH₃ and HCl?
What is the result of the reaction between NH₃ and HCl?
What is the result of the reaction between CO₂ and lime water?
What is the result of the reaction between CO₂ and lime water?
What is the colour of the precipitate formed when NH₃ reacts with Nessler's reagent?
What is the colour of the precipitate formed when NH₃ reacts with Nessler's reagent?
What is the result of the reaction between NH₃ and CuSO₄ solution?
What is the result of the reaction between NH₃ and CuSO₄ solution?
What is the effect of CO₂ on a solution of calcium hydroxide?
What is the effect of CO₂ on a solution of calcium hydroxide?
What is the purpose of using an asbestos fibre instead of a glass rod in a flame test?
What is the purpose of using an asbestos fibre instead of a glass rod in a flame test?
What is the composition of the transparent bead formed in the borax bead test?
What is the composition of the transparent bead formed in the borax bead test?
What is the advantage of the filter ash test over the cobalt nitrate test?
What is the advantage of the filter ash test over the cobalt nitrate test?
What is the effect of SO₂ on lime water?
What is the effect of SO₂ on lime water?
What is the product of the reaction between ethanol and nitric acid?
What is the product of the reaction between ethanol and nitric acid?
What is the purpose of adding Cu and freshly prepared FeSO4 solution in the ring test?
What is the purpose of adding Cu and freshly prepared FeSO4 solution in the ring test?
What is the result of the reaction between sodium oxalate and sulfuric acid?
What is the result of the reaction between sodium oxalate and sulfuric acid?
What is the test used to detect the presence of fluoride ions?
What is the test used to detect the presence of fluoride ions?
What is the color of the flame produced by the burning of ethanol in the presence of copper?
What is the color of the flame produced by the burning of ethanol in the presence of copper?
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