A. Ammonium sulphate
B. Nitro-phosphate
C. Superphosphate
D. Potassium nitrate
A. Sulphuric
B. Hydrochloric
C. Either A. or B.
D. Neither A. nor B.
A. Reduced iron oxide
B. Nickel
C. Vanadium pentoxide
D. Silica gel
A. Urea
B. CAN
C. Ammonium sulphate
D. Superphosphate
A. Uses lower grade phosphate rock
B. Requires lower capital investment in the plant
C. Produces lower purity acid
D. Is very costly
A. Ammonium carbonate
B. Biuret
C. Carbon dioxide
D. Ammonium carbamate
A. Heating in presence of light
B. Melting under pressure
C. Vaporisation followed by condensation
D. None of these