SAT Chemistry

Category - Multiple Choice

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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