Question: Extraction of pencillin employs a __________ extraction coloumn.
[A].
centrifugal 
packed 
plate 
None of these. 
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.