In the manufacture of orthophosphoric acid by strong H 2 SO 4 leaching – McqOptions

MCQOPTIONS

1.	In the manufacture of orthophosphoric acid by strong H 2 SO 4 leaching wet process, keeping the reactor temperature above 100Â°C, results in the formation of undesriable
A.	CaSO 4 . H 2 O and CaSO 4 crystals
B.	pyrophosphoric acid
C.	metaphosphoric acid
D.	all (a), (b) and (c).
Answer» B. pyrophosphoric acid

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