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- 1. Multiple Choice
When a solution cannot dissolve more solute, it is called ______________________________
A. saturated
B. supersaturated
C. unsaturated
D. solvent
- 2. Multiple Choice
The solubility curve for potassium nitrate is shown in the diagram.
How many grams of KNO3 dissolve in 100g of water at 70oC?
A. 140
B. 0
C. 120
D. 100
- 3. Multiple Choice
A solution with the maximum amount of solute completely dissolved.
Saturated solution
Unsaturated solution
Supersaturated solution
dilute solution
- 4. Multiple Choice
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
- 5. Multiple Choice
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.
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