Colloidal mills are used for ______________ grinding?
Correct answer: D. Ultrafine
- A. Coarse
- B. Intermediate
- C. Fine
- D. Ultrafine
Explanation
A colloid mill uses a very small rotor-stator clearance and high shear to produce extremely fine or colloidal dispersions. Coarse and intermediate grinding are performed by crushers and conventional mills.
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