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Chapter 01 Solutions

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

ChemistryUnder which condition is the solubility of a gas in a liquid most likely to be highest?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryWhy can the amount of dissolved oxygen be lower in warm water?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryIn recrystallization, if an impurity is highly soluble even in the cold solvent, where will it mostly remain?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy Chemistry45 g solute forms a saturated solution in 150 g water. How much solute is required for saturation in 75 g water at the same temperature?Class 12Chapter 01: Solutions3: SolubilityLevel 10Easy ChemistryA solution contains 80 g water and 28 g solute. If the solubility is 40 g per 100 g water at the same temperature, what type of solution is it?Class 12Chapter 01: Solutions3: SolubilityLevel 10Easy ChemistryIf 36 g solute dissolves up to saturation in 120 g water, what is the solubility per 100 g water?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium ChemistryThe solubility of a solid is 30 g per 100 g water. How much solute is needed to make a saturated solution in 250 g water?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium ChemistryWhich statement correctly explains a supersaturated solution?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryA solution contains 55 g solute in 100 g water while normal solubility is 45 g. What may happen when a small crystal is added?Class 12Chapter 01: Solutions3: SolubilityLevel 16Hard ChemistryThe solubility of a solid decreases as temperature increases. This is more consistent with which type of dissolution?Class 12Chapter 01: Solutions3: SolubilityLevel 15Medium ChemistryWhy can it be dangerous for divers to come up suddenly from deep water?Class 12Chapter 01: Solutions3: SolubilityLevel 14Medium ChemistryA gas has mole fraction 0.01 when its partial pressure is 0.5 bar. At the same temperature, what will be the mole fraction at 2.0 bar?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium ChemistryAccording to Henry's law, at the same temperature, if the partial pressure of a gas becomes 4 times, what happens to the mole fraction of dissolved gas?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryIn a difficult solubility problem, which information is most useful to identify first?Class 12Chapter 01: Solutions3: SolubilityLevel 14Medium ChemistryWhich is the most scientific precaution when stating solubility?Class 12Chapter 01: Solutions3: SolubilityLevel 12Easy ChemistryPressure is increased to raise gas solubility, but temperature is also increased greatly. What is the correct analysis?Class 12Chapter 01: Solutions3: SolubilityLevel 15Medium ChemistryThe solubility of a solid decreases as temperature increases. What is not necessary when its hot saturated solution is cooled?Class 12Chapter 01: Solutions3: SolubilityLevel 15Medium ChemistryIf solubility at a temperature is 40 g per 100 g water and 45 g remains dissolved, what state can this indicate?Class 12Chapter 01: Solutions3: SolubilityLevel 11Easy ChemistryIf solubility at a temperature is 40 g per 100 g water and 30 g is dissolved, what type of solution is it?Class 12Chapter 01: Solutions3: SolubilityLevel 10Easy ChemistryIn which condition would aquatic organisms face the greatest risk of oxygen deficiency?Class 12Chapter 01: Solutions3: SolubilityLevel 13Medium