The commonly used solvent in supercritical extraction is_____________________?
Correct answer: C. Carbon dioxide
- A. Methyl ethyl ketone
- B. Water
- C. Carbon dioxide
- D. Carbon tetrachloride
Explanation
Carbon dioxide is the standard supercritical extraction solvent because it has a mild critical temperature, is nonflammable, inexpensive, and can be removed readily from products. The other listed solvents lack this combination of advantages.
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