Fertilizer Technology

Heating a mixture of phosphate rock, coke and sand in an electric furnace produces___________________? A. Phosphoric acid B. Ammonium phosphateC. Phosphorous D. Superphosphate

Catalyst used in steam reforming of naphtha is ___________________? A. Bauxite B. CobaltC. Nickel oxide on alumina support D. Chromium

Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is___________________? A. Exothermic B. Endothermic C. Autocatalytic D. None of these

Low grade coal is ______________ to produce ammonia synthesis gas? A. Hydrogenated B. LiquefiedC. Gasified D. Dehydrogenated

Main constituent of phosphate rock is_____________________? A. Ammonium phosphateB. Flour apatite C. Calcium fluoride D. Calcium phosphate

Gas based fertiliser plants use_________________? A. Natural gas as a source of hydrogen B. Natural gas as heating medium C. Coal gas as a source of hydrogen D. Coal gas as heating medium

Chemical formula of meta-phosphoric acid is ___________________? A. H3PO4 B. H4P2O7C. HPO3 D. Same as that of Pyrophosphoric acid

Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition _______________? A. Electrolysis of water B. Cryogenic removal of H2 from coke oven gas C. Steam reforming of naphtha…

A nitrogenous fertiliser contains 20% N2. It could be_________________? A. Ammonium nitrateB. Calcium ammonium nitrate (CAN) C. Urea D. Ammonium chloride

Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3__________________? A. HNO3 & limestone B. CO2 & H2SO4 C. HNO3 & NH4Cl D. CO2 & KNO3