SOLUTIONS -2 SATURATED ,SOLUBILITY

When a solution cannot dissolve more solute, it is called ______________________________

• A. saturated

• B. supersaturated

• C. unsaturated

• D. solvent

The solubility curve for potassium nitrate is shown in the diagram.

How many grams of KNO₃ dissolve in 100g of water at 70^oC?

• A. 140

• B. 0

• C. 120

• D. 100

A solution with the maximum amount of solute completely dissolved.

• Saturated solution

• Unsaturated solution

• Supersaturated solution

• dilute solution

How does the solubility of sugar vary with temperature?

• A. As temperature decreases, solubility of sugar increases.

• B. As temperature increases,solubility of sugar doesn't vary.

• C. As temperature increases, solubility of sugar increases.

• D. As temperature increases,solubility of sugar drops to zero

When someone opens a bottle of carbonated drinks, the pressure inside the bottle decreases. This results in:

• A. a no change in the solubility of CO₂ gas in water.

• B. a decrease in the solubility of CO₂ gas in water.

• C. an increase in the solubility of sugar in water.

• D. an increase in the solubility of CO₂ gas in water.