Removal of __________ exemplifies an adsorption unit operation.

1.	Removal of __________ exemplifies an adsorption unit operation.
A.	uranium from its ore
B.	water from petrol
C.	ammonia from coke oven gas
D.	mustard oil from mustard seed
Answer» C. ammonia from coke oven gas

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Removal of __________ exemplifies an adsorption unit operation.

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