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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।

ChemistryWhile reading a solubility curve, what should be checked first to know how much dissolves at a given temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryIf a solubility curve shows solubility decreasing with temperature, what will be the trend of the curve?Class 12Chapter 01: Solutions3: SolubilityLevel 2Easy ChemistryWhat may happen when a small crystal is added to a supersaturated solution?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhat correctly distinguishes a supersaturated solution from a normal saturated solution?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryIf a hot saturated solution is cooled slowly, what may be observed for many solids?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhy is a fixed temperature necessary in the definition of a saturated solution?Class 12Chapter 01: Solutions3: SolubilityLevel 3Easy ChemistryIf dissolution of a solid is exothermic, what trend may its solubility show on increasing temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryIf dissolution of a solid solute is endothermic, how does its solubility generally change with increase in temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryUnder which condition is the solubility of a gas in a liquid expected to be maximum?Class 12Chapter 01: Solutions3: SolubilityLevel 5Easy ChemistryWhy can gas escape comparatively faster from an open drink in high mountain regions?Class 12Chapter 01: Solutions3: SolubilityLevel 5Easy ChemistryWhich precaution related to gas solubility under high pressure is important for divers at depth?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryWhy can low solubility of oxygen in water become a problem for aquatic life in summer?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhat is the main reason gas escapes rapidly when a soda water bottle is opened?Class 12Chapter 01: Solutions3: SolubilityLevel 5Easy ChemistryWhy does dissolved gas remain longer in a cold soft drink?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryWhy is the solubility of gases generally higher at lower temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 5Easy ChemistryIf the partial pressure of a gas is doubled at the same temperature, what happens to the mole fraction of the dissolved gas according to Henry’s law?Class 12Chapter 01: Solutions3: SolubilityLevel 5Easy ChemistryAt the same pressure and temperature, how will the solubility of a gas with a larger Henry’s law constant compare?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium ChemistryAccording to Henry’s law, what is the relationship between the pressure of a gas and the amount dissolved in a liquid?Class 12Chapter 01: Solutions3: SolubilityLevel 5Easy ChemistryIn a solubility question, which group of clues should be identified first?Class 12Chapter 01: Solutions3: SolubilityLevel 4Easy ChemistryIf partial pressure of a gas increases but temperature also increases greatly, what is a careful statement about gas solubility?Class 12Chapter 01: Solutions3: SolubilityLevel 6Medium