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Class 12 · Chemistry · Easy
→Why can the amount of dissolved gases in water generally be lower at high-altitude places?
Class 12 · Chemistry · Easy
→What is the main reason for higher solubility of gases in the blood of divers working deep in the sea?
Class 12 · Chemistry · Easy
→Why do bubbles escape rapidly when a cold drink bottle is opened?
Class 12 · Chemistry · Medium
→If a gas has a lower Henry's law constant, what type of solubility will it show in a liquid?
Class 12 · Chemistry · Easy
→At constant temperature, what change in pressure is needed to double the solubility of a gas in a liquid?
Class 12 · Chemistry · Easy
→If a little more of the same solute is added to a saturated solution without changing temperature, what will happen?
Class 12 · Chemistry · Easy
→Under which condition is the solubility of a gas in a liquid most likely to be maximum?
Class 12 · Chemistry · Medium
→Henry’s law applies to two gases at the same temperature. If the pressure of the first gas is twice that of the second and both have the same Henry’s law constant, what will be the mole fraction of the first gas?
Class 12 · Chemistry · Easy
→If dissolution of a gas in water is exothermic, what generally happens to its solubility when temperature increases?
Class 12 · Chemistry · Medium
→For most solids, solubility in a liquid increases on increasing temperature. What is the main reason?
Class 12 · Chemistry · Medium
→If a gas has a higher Henry’s law constant, which statement about its solubility at the same pressure is correct?
Class 12 · Chemistry · Easy
→What is the effect of increasing pressure on the solubility of a gas in water at constant temperature?
Class 12 · Chemistry · Easy
→What is the safest first step in a difficult solubility question?
Class 12 · Chemistry · Medium
→Which option correctly explains a limitation of Henry's law?
Class 12 · Chemistry · Easy
→If the solubility of a gas is expressed as mole fraction, what does it represent?
Class 12 · Chemistry · Medium
→When a small crystal of the same solute is added to a supersaturated solution and rapid crystallization begins, what is its role?
Class 12 · Chemistry · Easy
→Which option correctly gives the main difference between saturated and supersaturated solutions?
Class 12 · Chemistry · Easy
→If an impure solid dissolves in hot solvent and gives crystals on cooling, when should insoluble impurities be removed?
Class 12 · Chemistry · Easy
→Which option gives the correct basis for choosing a solvent for recrystallization?
Class 12 · Chemistry · Medium
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