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.Management Sciences
Category: Fertilizer Technology
Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talcher (Orissa) ?
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A. Use coal for heating purpose
B. Gasify coal to get hydrogen from coal gas
C. Use coal as filler in fertiliser
D. Use coal as conditioner in fertiliser
Flushing liquor used for cooling coke oven gas constitutes of __________________?
A. Ammoniacal liquor
B. K2CO3 solution
C. Dilute H2SO4
D. Dilute HCl
H4P2O7 is the chemical formula of _____________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these
P2O5 content in triple superphosphate is about ______________ percent?
A. 42-50
B. 15-20
C. 85-90
D. 70-75
Raw materials for urea production are _________________?
A. CO2 and N2
B. CO2, H2 and N2
C. NH3 and CO
D. HNO3 and CaCO3
Catalyst used in Haber’s process for ammonia production is_________________?
A. Reduced iron oxide
B. Nickel
C. Vanadium pentoxide
D. Silica gel
Catalyst used in desulphurisation of naphtha is____________________?
A. Co-Mo
B. Pt-Rh
C. Silica gel
D. Nickel
Electric furnace method for production of phosphorous uses phosphate rock and _________________________?
A. Phosphoric acid
B. Coke
C. Sulphuric acid
D. Silica and coke
Main component of bone ash is _________________?
A. Calcium sulphate
B. Calcium phosphate
C. Calcium carbonate
D. Sodium phosphate
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