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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 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 the mole fraction of component A is 0.3, what is the mole fraction of component B in a binary solution?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryIn an ideal binary solution, what is the value of XA + XB?Class 12Chapter 01: Solutions2: Concentration MetricsLevel 3EasyChemistryIf 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 4EasyChemistryIf solute particles associate to form fewer particles, what happens to lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 5MediumChemistryIf a solute dissociates into more particles in solution, what happens to lowering of vapour pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 5MediumChemistryIf equal mole amounts of two non-volatile solutes are dissolved separately in the same solvent and neither dissociates, how will lowering of vapour pressure compare?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 5MediumChemistryWhat type of relationship exists between the lowering of vapour pressure and the mole fraction of a non-volatile solute?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIf the vapour pressure of the pure solvent is 80 units and that of the solution is 72 units, what is the relative lowering of vapour pressure?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryWhy does actual vapour pressure become lower in negative deviation?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryIn positive deviation, how is the new attraction between components?Class 12Chapter 01: Solutions4: Vapour PressureLevel 4EasyChemistryOn what basis is an ideal solution identified using Raoult's law?Class 12Chapter 01: Solutions4: Vapour PressureLevel 5Medium