The 'shanks system' of leaching (i.e., counter-current multiple contact leaching) is used for

recovery of tannis from the tree barks and woods.

leaching sodium nitrate from Chilean nitrate bearing rock.

The 'shanks system' of leaching (i.e., counter-current multiple contac

1.	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).
D.	neither (a) nor (b).
Answer» D. neither (a) nor (b).

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The 'shanks system' of leaching (i.e., counter-current multiple contact leaching) is used for

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