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Questions and Answers
What is the key characteristic that distinguishes suspensions from colloids?
What is the key characteristic that distinguishes suspensions from colloids?
- Suspensions scatter light while colloids do not.
- Colloids are always soluble in solvents.
- Particle size is visible to the naked eye in suspensions. (correct)
- Particle size is too small to be seen in colloids.
Which term best describes a mixture where the particles are evenly distributed and do not settle out over time?
Which term best describes a mixture where the particles are evenly distributed and do not settle out over time?
- Solution (correct)
- Suspension
- Colloid
- Solute
What is the dispersed phase in a colloid?
What is the dispersed phase in a colloid?
- The particles that are too small to be seen. (correct)
- The particles that scatter light.
- The visible particles in the mixture.
- The medium in which the particles are distributed.
Which type of mixture shows the properties of its constituting elements or compounds?
Which type of mixture shows the properties of its constituting elements or compounds?
What distinguishes a compound from a mixture?
What distinguishes a compound from a mixture?
Which separation technique would be most appropriate for separating sodium chloride from water?
Which separation technique would be most appropriate for separating sodium chloride from water?
How can you separate small pieces of metal from engine oil in a car?
How can you separate small pieces of metal from engine oil in a car?
What property of colloids allows them to scatter light but not settle out over time?
What property of colloids allows them to scatter light but not settle out over time?
What defines a saturated solution?
What defines a saturated solution?
How can you separate different pigments from an extract of flower petals?
How can you separate different pigments from an extract of flower petals?
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