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Vapour Pressure

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

ChemistryIf 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 2EasyChemistryIf 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 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 5MediumChemistryIf external pressure is increased, what is needed for a liquid to boil?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the external pressure is decreased, what happens to the boiling temperature of a liquid?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryThe vapour pressure of a volatile liquid increases with temperature. What is the correct particle-level reason?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhich option gives the correct comparison related to vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the solute is non-volatile and the mole fraction of the solvent is high, how will the vapour pressure of the solution compare with that of the pure solvent?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryAt a simple level, what can be understood about solvent escaping tendency when a non-volatile solute is added?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf XA = 0.4 and the vapour pressure of pure component A is PA° = 200 units, what is the partial vapour pressure PA?Class 12Chapter 01: Solutions4: Vapour PressureLevel 3EasyChemistryWhat does PA = XA PA° mean in Raoult's law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhy is vapour pressure not obtained as a stable equilibrium value in an open container?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryA liquid and its vapour are in equilibrium in a closed vessel. What initially happens when temperature is suddenly increased?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4Easy

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