A. Exothermic
B. Endothermic
C. Non-catalytic
D. Autocatalytic
A. Exothermic
B. Endothermic
C. Non-catalytic
D. Autocatalytic
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
A. Phosphoric acid
B. Ammonium phosphate
C. Phosphorous
D. Superphosphate
A. Bauxite
B. Cobalt
C. Nickel oxide on alumina support
D. Chromium
A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these
A. Hydrogenated
B. Liquefied
C. Gasified
D. Dehydrogenated
A. Ammonium phosphate
B. Flour apatite
C. Calcium fluoride
D. Calcium phosphate