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Class 12 Mcq

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

ChemistryWhy do bubbles escape rapidly when a cold drink bottle is opened?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistryWhy is it necessary to mention temperature while reporting the solubility of a substance?Class 12Chapter 01: Solutions3: SolubilityLevel 7Easy ChemistryWhat is the correct basis for identifying a saturated solution at the same temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 7Easy ChemistryHow does good stabilization of solute particles by solvent affect solubility?Class 12Chapter 01: Solutions3: SolubilityLevel 7Medium ChemistryWhy is it necessary to mention temperature while reporting solubility of a substance?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhich is the correct identification of a saturated solution?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhy is it necessary to mention temperature while reporting solubility of a substance?Class 12Chapter 01: Solutions3: SolubilityLevel 8Easy ChemistryIf the solvent stabilizes solute particles well, what is the effect on solubility?Class 12Chapter 01: Solutions3: SolubilityLevel 9Easy ChemistryWhat happens when extra solute is added to a saturated solution at the same temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 8Easy ChemistryAt constant temperature, which relation is correct between the solubility of a gas and pressure?Class 12Chapter 01: Solutions3: SolubilityLevel 10Easy ChemistryIf some solvent evaporates from a saturated solution while temperature remains the same, what may happen?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium ChemistryIf a substance dissolves more in a polar solvent, what is the most suitable reason?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryGas solubility in a liquid is affected not only by pressure but also by which other major factors?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryWhich can be a suitable way to make a saturated solution unsaturated without removing solute if the solid’s solubility increases with temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryAt the same temperature, if gas pressure is made three times, what will ideally happen to its solubility in a liquid?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryWhy can warm water contain less oxygen than cold water?Class 12Chapter 01: Solutions3: SolubilityLevel 10Easy ChemistryIf two gases dissolve in the same liquid at the same pressure and the first gas is more soluble, what can be said about its Henry’s law constant?Class 12Chapter 01: Solutions3: SolubilityLevel 15Medium ChemistryWhich combination generally gives the lowest solubility of a gas in a liquid?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryWhich of two solids will be easier to separate by crystallisation?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium ChemistryIf the solubility of a solid increases sharply with temperature, which process is suitable for obtaining pure crystals?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy