In the manufacture of H 3 PO 4 (ortho), ; strong H 2 SO 4 leaching wet – McqOptions

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1.	In the manufacture of H 3 PO 4 (ortho), ; strong H 2 SO 4 leaching wet process as compared to electric furnace process
A.	uses lower grade phosphate rock.
B.	requires lower capital investment in the plant.
C.	produces lower purity acid.
D.	is very costly.
Answer» D. is very costly.

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