A. Fractional distillation
B. The determination of pH
C. The determination of saturation in hydrocarbons
D. Solvent extraction
Correct Answer: Option D
D. Solvent extraction
A. Fractional distillation
B. The determination of pH
C. The determination of saturation in hydrocarbons
D. Solvent extraction
Correct Answer: Option D
D. Solvent extraction
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