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Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryIf the mole fraction of component A, X_A, is 0.35 in a binary solution, what is the mole fraction of component B, X_B?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIf P_A = 45 units and P_B = 55 units, what is the total vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIf X_A = 0.3 and P_A° = 160 units, what is P_A?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIn an ideal binary solution, which formula gives the partial vapour pressure of component A?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryHow is total vapour pressure obtained in an ideal solution of two volatile liquids?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the vapour pressure of the pure solvent is 100 units and that of the solution is 90 units, what is the relative lowering?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryThe mole fraction of a non-volatile solute is 0.15. What is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryFor an ideal solution containing a non-volatile solute, relative lowering of vapour pressure is equal to what?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the vapour pressure of a solution is 75% of the vapour pressure of the pure solvent, what is the mole fraction of the solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryThe vapour pressure of pure solvent is 120 and the mole fraction of solvent is 0.8. What is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the amount of non-volatile solute in a solution is increased, what happens to the solvent vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryWhat is the most direct reason for lowering of solvent vapour pressure in an ideal solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 2EasyChemistryWhat is the first useful identification in vapour-pressure questions?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhich condition should be kept the same while comparing vapour pressures of a solution and pure solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 2EasyChemistryIn a graph related to vapour pressure, if the line rises with temperature, what does it mean?Class 12Chapter 01: Solutions4: Vapour PressureLevel 2EasyChemistryLower vapour pressure of a solution helps explain which everyday observation?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 4EasyChemistryIf the vapour pressure of the pure solvent is 200 units and the mole fraction of the solvent is 0.75, what is the vapour pressure of the solution?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIf the mole fraction of the solute is 0.1, what is the mole fraction of the solvent in a binary solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryFor a solution containing a non-volatile solute, if the relative lowering of vapour pressure is 0.25, what is the mole fraction of the solute?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 3EasyChemistryWhy do both mole fraction and vapour pressure of solvent decrease when a non-volatile solute is added?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Medium

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