Test Your Knowledge: Solutions & Suspensions

1) Which statement best defines a solution?

• A homogeneous mixture of two or more substances.
• A heterogeneous mixture that can be separated physically.
• A pure substance with a fixed composition.

2) What is the role of a solvent in a solution?

• It is the substance that gets dissolved.
• It is the substance that does the dissolving.
• It is always a solid.

3) Which of the following is an example of a solvent?

• Water
• Oxygen
• Table salt

4) Which statement is true about suspicions (suspensions)?

• They are always transparent.
• The particles eventually settle out.
• They do not scatter light at all.

5) Which of the following best describes solubility?

• The amount of solute that can dissolve in a given amount of solvent.
• The speed at which a solute dissolves.
• The process of mixing two liquids that do not blend.

6) Which factor does NOT affect the rate at which a solute dissolves?

• Temperature
• Particle size
• Color of the solute

7) Which term refers to a mixture that displays the Tyndall effect but does not settle out?

• Suspension
• Colloid
• Emulsion

8) When a solution can no longer dissolve any more solute at a given temperature, it is called ________.

• Unsaturated
• Saturated
• Supersaturated

9) Which of the following is NOT a property of a solution?

• Its particles can be filtered out easily.
• It is homogeneous.
• Particles do not settle out.

10) Which scenario describes a suspension?

• Salt dissolved in water
• Muddy water
• Carbon dioxide dissolved in water

11) A colloid can be described as:

• A solution with large particles.
• A homogeneous mixture with very small particles.
• A mixture with intermediate-size particles that do not settle.

12) Which statement about the Tyndall effect is correct?

• It occurs only in solutions.
• It never happens in suspensions.
• It occurs when light is scattered by particles in colloids or suspensions.

13) What typically happens when a suspension is left undisturbed?

• Particles remain evenly mixed indefinitely.
• The solvent evaporates immediately.
• The particles settle to the bottom over time.

14) Which one is not commonly recognized as a solvent?

• Water
• Ethanol
• Sand

15) Which statement best defines a solute?

• A substance that dissolves other substances.
• A substance that is dissolved in a solvent.
• A mixture of large, visible particles.

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Drag & Drop: Common Solutions vs. Suspensions

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