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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।

ChemistryA gas has a low Henry’s law constant. What does this indicate at the same pressure?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistrySalt dissolves in water but oil does not dissolve well. What is the main reason?Class 12Chapter 01: Solutions3: SolubilityLevel 4Medium ChemistryWhat is the main effect of finely grinding a solid solute?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryWhat is likely to happen when a seed crystal is added to a supersaturated solution?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistryWhat is the best reason for crystal formation when a hot saturated solution is cooled?Class 12Chapter 01: Solutions3: SolubilityLevel 4Medium ChemistryIf a solubility curve rises steeply upward, what does it mean?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryWhat is the main reason for more gas dissolving in a diver’s blood in the deep sea?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhy is dissolved oxygen in hot water less than in cold water?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryIf a gas has a higher Henry’s law constant, how will its solubility be at the same pressure?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistryAt constant temperature, what happens to the solubility of a gas in a liquid when gas pressure is increased?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhat is the most suitable reason for crystal formation when a hot saturated solution is cooled slowly?Class 12Chapter 01: Solutions3: SolubilityLevel 4Medium ChemistryAt the same temperature and pressure, which of two gases will have higher solubility in a liquid?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistryAt constant temperature, if the pressure of a gas above a liquid is made three times, what happens to its solubility according to Henry’s law?Class 12Chapter 01: Solutions3: SolubilityLevel 5Medium ChemistryIf more solute is added to a saturated solution without changing temperature, what will generally happen?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryWhich condition is most suitable for increasing the solubility of a gas in a liquid?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryWhat is the safest order while solving examination questions based on solubility?Class 12Chapter 01: Solutions3: SolubilityLevel 4Medium ChemistryWhich point is most necessary to call a solution saturated?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryThe solubility of a solid increases greatly with temperature. Which statement is correct for such a solid?Class 12Chapter 01: Solutions3: SolubilityLevel 4Medium ChemistryIf only the mass of solute is given in a solubility question and the amount of solvent is not given, why is the comparison incomplete?Class 12Chapter 01: Solutions3: SolubilityLevel 4Medium ChemistryWhich change is suitable if the solubility of a gas in a liquid needs to be decreased?Class 12Chapter 01: Solutions3: SolubilityLevel 4Medium