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5 . What is the principle of cross - current extraction? - A . The same solvent is used in each stage, with fresh solvent
What is the principle of crosscurrent extraction?
A The same solvent is used in each stage, with fresh solvent for each new stage.
B The feed moves in the opposite direction to the solvent.
C The feed and solvent are mixed together in a single container.
D The solvent is recycled in each stage.
What is the main advantage of cocurrent extraction?
A Higher purity of the final extract
B Lower solvent usage
C Easier phase separation
D Faster equilibrium attainment
In countercurrent extraction, what is the direction of solvent flow compared to the feed?
A The same direction
B The opposite direction
C Perpendicular
D No specific direction
What is the main benefit of using a multistage extraction process over a singlestage process?
A It requires less solvent.
B It achieves higher purity of the extract.
C It is faster.
D It requires less energy.
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