Which method is more efficient, single large washing or repeated small washing?
A. single large washing
B. repeated small washing
C. both a and b
D. either a or b
B
Acetic acid will be most economically separated from dilute solution of acetic acid in water by
A. solvent extraction
B. evaporation
C. continuous distillation
D. adsorption
A
Liquid-liquid extraction is based on the differences in
A. solubility
B. specific volume
C. partial pressure
D. viscosity
A