Solutions Review

1) A solution is a ______________.

• homogeneous mixture
• heterogenous mixture
• compound of 2 or more elements
• pure substance that can only be separated by a chemical change

2) A yellow solid is added to water. What is the term for the water in this solution.

3) Which of these increases the solubility of a gas in a liquid?

• decrease the temperature
• increase the temperature
• decrease the pressure
• stir the mixture

4) Which of the following is NOT a solution?

• brass
• carbon dioxide
• air
• carbonated drink

5) A substance that does NOT dissolve in another substance is said to be _________.

• insoluble
• soluble
• miscible
• super-soluble

6) Using the solubility curve, what type of solution was formed if 50 grams of solute is dissolved in 100 mL of water at 30 degrees Celsius?

• unsaturated
• saturated
• supersaturated

7) Using the solubility curve, what type of solution was formed if 100 grams of solute is dissolved in 100 mL of water at 20 degrees Celsius?

• unsaturated
• saturated
• supersaturated

8) Adding salt to water would cause its freezing point to ____________.

• increase
• decrease
• remain the same

• .64 M
• .71 M
• .91 M
• 1.3 M

• .29 L
• .56 L
• .66 L
• 1.1 L