Relevant Competitive Tests:
The ‘shanks system’ of leaching (i.e., counter-current multiple contact leaching) is used for____________________?
A. Recovery of tannis from the tree barks and woods
B. Leaching sodium nitrate from Chilean nitrate bearing rock
C. Both A. and B.Correct Answer
D. Neither A. nor B.
Correct Option: C. Both A. and B.
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