Practice Quiz

SAT Chemistry

Category - Multiple Choice

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Which of the following is not true about colloids?
  1. Colloids are not solutions
  2. Colloids are made of larger particles that most solutions.
  3. The dispersing medium has a higher concentration than the dispersed phase
  4. The dispersing phase is in higher concentration than the dispersing medium.
  5. Colloids are homogeneous mixtures.
Explanation
Answer: D. The element that is in the dispersed phase (suspended in the mixture) is always lower in concentration than the dispersing medium. Every other statement is true.
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