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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 a downward solubility curve indicate?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhat does a steep upward line in a solubility curve indicate?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryIf solubility of a solid depends very little on temperature, how effective is crystallisation by cooling?Class 12Chapter 01: Solutions3: SolubilityLevel 7Medium ChemistryWhat is the combined effect of increasing pressure and decreasing temperature while preparing a gas solution?Class 12Chapter 01: Solutions3: SolubilityLevel 5Easy ChemistryWhy must temperature be mentioned when stating the maximum solute amount in a solution?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryWhy can discharge of hot industrial water into water bodies harm aquatic life?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistryIf a gas has high solubility, which relation explains its mole fraction and pressure at the same temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryFor a gas with small K_H, which statement is correct at the same pressure?Class 12Chapter 01: Solutions3: SolubilityLevel 7Medium ChemistryWhy is the statement that pressure makes every solute more soluble wrong?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryIf dissolution of a solid warms the solution, what is the better prediction for solubility on increasing temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryIf dissolution of a solid cools the solution, what can be predicted about solubility on increasing temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryWhy does solubility change when the solvent is changed?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryA saturated solution is cooled but crystals do not form. What may be the most suitable reason?Class 12Chapter 01: Solutions3: SolubilityLevel 7Medium ChemistryA gas has low solubility in water. Why can more of it dissolve under high pressure?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryIf gas and liquid are in equilibrium in a closed vessel, in which direction does equilibrium shift when gas pressure increases?Class 12Chapter 01: Solutions3: SolubilityLevel 7Medium ChemistryWhy can Henry’s law constant of a gas generally increase with temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 9Hard ChemistryHow should a solvent be selected for purifying an impure solid by recrystallisation?Class 12Chapter 01: Solutions3: SolubilityLevel 8Medium ChemistryIf solubility of a solid increases sharply with temperature, which method is useful for obtaining pure crystals?Class 12Chapter 01: Solutions3: SolubilityLevel 7Medium ChemistryWhy does oil dissolve very little in water?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWater is a polar solvent, so which type of solute does it dissolve more easily?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy