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chemical engineering fertiliser technology
1. In the manufacture of orthophosphoric acid by strong H2SO4 leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable
(A): all (a), (b) and (c).
(B): CaSO4 .H2O and CaSO4 crystals
(C): metaphosphoric acid
(D): pyrophosphoric acid
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