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Class 12 · Chemistry · Easy

Stirring makes sugar dissolve faster. What is mainly changed by stirring?

Class 12 · Chemistry · Medium

Why can a finely powdered solute dissolve faster without necessarily changing its final solubility?

Class 12 · Chemistry · Medium

Which statement correctly distinguishes solubility from the rate of dissolving?

Class 12 · Chemistry · Medium

For an ionic substance to be more soluble in water, which balance should be favourable?

Class 12 · Chemistry · Medium

Which attraction helps an ionic solid dissolve in water?

Class 12 · Chemistry · Easy

Oil does not dissolve in water but can dissolve in a non-polar liquid such as petrol. Which idea is demonstrated?

Class 12 · Chemistry · Medium

Iodine dissolves better in a non-polar solvent such as carbon tetrachloride than in water. What is the reason?

Class 12 · Chemistry · Medium

Why does a polar solute generally dissolve better in a polar solvent?

Class 12 · Chemistry · Medium

Why is the choice of solvent important in crystallization?

Class 12 · Chemistry · Medium

If the solubility of a solid changes very little with temperature, which method may be less effective for obtaining pure crystals?

Class 12 · Chemistry · Easy

If the solubility of a salt is 40 grams per 100 grams of water, how many grams of the salt can dissolve in 50 grams of water at the same temperature?

Class 12 · Chemistry · Easy

While reading a solubility curve, what should be checked first to know how much dissolves at a given temperature?

Class 12 · Chemistry · Easy

If a solubility curve shows solubility decreasing with temperature, what will be the trend of the curve?

Class 12 · Chemistry · Easy

What may happen when a small crystal is added to a supersaturated solution?

Class 12 · Chemistry · Easy

What correctly distinguishes a supersaturated solution from a normal saturated solution?

Class 12 · Chemistry · Easy

If a hot saturated solution is cooled slowly, what may be observed for many solids?

Class 12 · Chemistry · Easy

Why is a fixed temperature necessary in the definition of a saturated solution?

Class 12 · Chemistry · Medium

If dissolution of a solid is exothermic, what trend may its solubility show on increasing temperature?

Class 12 · Chemistry · Medium

If dissolution of a solid solute is endothermic, how does its solubility generally change with increase in temperature?

Class 12 · Chemistry · Easy

Under which condition is the solubility of a gas in a liquid expected to be maximum?