Oxidation of ammonia is________________?
A. Exothermic
B. Endothermic
C. Non-catalytic
D. Autocatalytic
Oxidation of ammonia is________________? Read More »
Fertilizer Technology A. Exothermic
B. Endothermic
C. Non-catalytic
D. Autocatalytic
Oxidation of ammonia is________________? Read More »
Fertilizer Technology A. Uses lower grade phosphate rock
B. Requires lower capital investment in the plant
C. Produces lower purity acid
D. Is very costly
A. Has a pungent smell
B. Vaporises at normal temperature
C. Is toxic and highly corrosive
D. Is in short supply
A. 4-5
B. 7-8
C. 9-10
D. 12-13
A. Liquid ammonia
B. Urea
C. Ammonium phosphate
D. Ammonium sulphate
Which of the following fertilisers contains the least percentage of nitrogen ? Read More »
Fertilizer Technology A. Phosphoric acid
B. Ammonium phosphate
C. Phosphorous
D. Superphosphate
A. Bauxite
B. Cobalt
C. Nickel oxide on alumina support
D. Chromium
Catalyst used in steam reforming of naphtha is ___________________? Read More »
Fertilizer Technology A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these
A. Hydrogenated
B. Liquefied
C. Gasified
D. Dehydrogenated
Low grade coal is ______________ to produce ammonia synthesis gas? Read More »
Fertilizer Technology A. Ammonium phosphate
B. Flour apatite
C. Calcium fluoride
D. Calcium phosphate
Main constituent of phosphate rock is_____________________? Read More »
Fertilizer Technology