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WorksheetsUnit 10 Review
Total questions: 12
Worksheet time: 8mins
Which of the following is a solute in the solution according to the chart?
Nitrogen
Carbon dioxide
Table Salt
Iron
Which of the following is a solvent in the solution according to the chart?
Nitrogen
Carbon dioxide
Table Salt
Iron
Which factor best explains why a scuba diver must come up from the water slowly?
Increased pressure increased the amount of gasses dissolved in their blood.
Increased pressure decreased the amount of gasses dissolved in their blood.
Decreased temperature increased the amount of gasses dissolved in their blood.
Decreased temperature decreased the amount of gasses dissolved in their blood.
Which of the following scenarios would affect the rate at which a solid dissolves?
Lowering the temperature of the solvent.
Using large rock salt instead of small table salt.
Increasing the pressure of the system.
Stirring the solid solute in the solvent.
What would happen if you stirred 100 g of Gatorade powder in 100g of water at 25°C when only 90 g of Gatorade powder can dissolve in 100 g of water at 25°C?
Nothing (Solution is unsaturated).
10 g of Gatorade powder would precipitate out.
The solution would be supersaturated.
The solution would immediately crystalize.
30 g of potassium nitrate was dissolved in 100 g of 30°C water. It was then allowed to cool undisturbed to 15°C. What best describes the solution?
Unsaturated
Saturated
Supersaturated
Desolate
30 g of potassium nitrate was dissolved in 100 g of 45°C water. What best describes the solution?
Unsaturated
Saturated
Supersaturated
Desolate
30 g of potassium nitrate was dissolved in 100 g of 50°C water. What best describes the solution?
Unsaturated
Saturated
Supersaturated
Desolate
What best describes what pH is a measure of?
The concentration of hydrogen ions in solution.
The concentration of hydroxide ions in solution.
The concentration of oxygen ions in solution.
The concentration of salts in soluton.
The higher the concentration of hydrogen ions, the (a) the pH value.
What are the products of an acid-base reaction?
Water
Salt
Water & Salt
Cannot be determined.
Which of the following is NOT an effect of acid rain?
Acid rain can disrupt the life cycles of fish and other aquatic animals.
Acid rain preserves forests by encouraging rapid tree growth.
Acid rain dissolves poisonous metals in the soil, contaminating water supplies.
Acid rain dissolves limestone and marble buildings and monuments.
