Reaction of dilute sulphuric acid with phosphate rock produces ____________________?

A. Exothermic
B. Endothermic
C. Non-catalytic
D. Autocatalytic

A. Meta-phosphoric acid
B. Pyrophosphoric acid
C. No change in it
D. None of these

A. Ammonium phosphate
B. Superphosphate
C. Triple superphosphate
D. None of these

A. Comparatively higher pressure drop
B. High cost of the high pressure vessel used for the reactor
C. Higher pumg cost
D. Chances of entrainment and disturbance of catalyst bed

A. Pt
B. K2O
C. Al2O3
D. Ni

A. Autocatalytic
B. Endothermic
C. Exothermic
D. Non-catalytic