Ultra centrifuges are used for the separation of _____________ solid particles?
Correct answer: C. Colloidal
- A. Coarse
- B. Fine
- C. Colloidal
- D. Dissolved
Explanation
Ultra-centrifuges generate very high centrifugal forces and are used to separate colloidal or extremely fine solid particles. Coarse particles can be separated with ordinary centrifuges, while dissolved substances require molecular-scale separation methods.
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