A. It is cheaper
B. Nitrogen content is higher
C. It is not poisonous
D. It is easy to manufacture
Related Mcqs:
- Ammonium sulphate can be produced by reacting gypsum with____________________?
A. Ammonia
B. Ammonium carbonate
C. Nitric acid
D. None of these - Ammonium sulphate fertiliser is __________________?
A. The highest concentration nitrogenous fertiliser
B. The best fertiliser for paddy
C. A basic fertiliser
D. A neutral fertiliser - Nitrogen content in ammonium sulphate (a fertiliser) is around ______________ percent?
A. 5
B. 20
C. 50
D. 65 - Dehydration of ammonium carbamate (to produce urea) is a/an _____________ reaction?
A. Reversible
B. Catalytic
C. Exothermic
D. Endothermic - During conversion of ammonium carbamate into urea, presence of large excess of water______________?
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 - Dehydration of ammonium carbamate to yield urea is a/an __________________ reaction?
A. Exothermic
B. Endothermic
C. Autocatalytic
D. Catalytic - Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in__________________?
A. Low bulk density product
B. Biuret formation
C. Non-spherical prills
D. Substantially wet non-flowing and sticky product - Low grade phosphate rock can be used in electrical furnace, because__________________?
A. Of the better CaO/SiO2 balance for slag formation
B. CaO content is less
C. It is cheap
D. It produces low cost product - Dehydration of ammonium carbamate produces__________________?
A. Urea
B. Biuret
C. Ammonia water
D. None of these - Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________?
A. Increase its nitrogen content
B. Cut down its production cost
C. Avoid the risk of explosion
D. Add extra nutrient as fertiliser
