A. Platinum-beryllium
B. Platinum-rhodium
C. Cobalt-molybdenum
D. Platinum-molybdenum
A. Urea
B. CAN
C. Ammonium sulphate
D. Superphosphate
A. Biuret
B. Ammonium carbamate
C. Ammonium carbonate
D. None of these
A. Reduced iron oxide
B. Nickel
C. Vanadium pentoxide
D. Silica gel
A. 10
B. 30
C. 50
D. 70
A. Mono-ethanolamine (MEA)
B. Slaked lime
C. Ammoniacal liquor
D. Methyl-Ethyl Ketone (MEK)
A. H2
B. O2
C. CO2
D. N2
A. Osmotic pressure of the soil water becomes less than that of the plant sap
B. Soil becomes too alkaline
C. Osmotic pressure of the soil water becomes higher than that of the plant sap
D. Soil becomes too acidic
A. Increases the yield of urea
B. Adversely affects the yield of urea
C. Reduces the evaporator load by diluting the urea solution
D. Does not affect the yield of urea
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