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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।

ChemistryWhat may cause negative deviation from Raoult’s law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the actual vapour pressure of a solution is higher than expected from Raoult’s law, which deviation is shown?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf 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 3EasyChemistryHow is total vapour pressure obtained in an ideal solution of two volatile liquids?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 5MediumChemistryIf both components in a solution are volatile, which statement is more correct?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryIf an ideal solution has a decreasing mole fraction XA, what happens to the partial vapour pressure PA at constant temperature?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryWhy is vapour pressure in a closed vessel considered an example of dynamic equilibrium?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5MediumChemistryAdding salt lowers the vapour pressure of water. With which property is this most closely related?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 3Easy