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Questions and Answers
What is a colloid?
What is a colloid?
- A mixture with microscopically dispersed insoluble particles suspended throughout another substance (correct)
- A pure substance with no dispersed phase particles
- A mixture with completely soluble particles suspended throughout another substance
- A mixture with large visible particles suspended throughout another substance
What is the size range of dispersed phase particles in a colloid?
What is the size range of dispersed phase particles in a colloid?
- Approximately 1 nanometre to 1 micrometre (correct)
- Greater than 1 micrometre
- Exactly 1 micrometre
- Less than 1 nanometre
Why are some colloids translucent?
Why are some colloids translucent?
- Due to the Tyndall effect, which is the scattering of light by particles in the colloid (correct)
- Due to the absorption of light by particles in the colloid
- Due to the complete transparency of the dispersed phase particles
- Due to the absence of particles in the colloid
What distinguishes colloidal suspensions from a narrower sense of the word suspension?
What distinguishes colloidal suspensions from a narrower sense of the word suspension?
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What field of study is concerned with colloidal suspensions?
What field of study is concerned with colloidal suspensions?
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