Nitrogen content of urea is about _____________ percent ?
Nitrogen content of urea is about _____________ percent ?
A. 10
B. 46
C. 80
D. 94
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Ammonia synthesis gas is produced from fuel oil by _________________?
Ammonia synthesis gas is produced from fuel oil by _________________?A. Steam reforming
B. Hydro-cracking
C. Partial oxidation
D. HydrogenationMain constituent of phosphate rock is_____________________?
Main constituent of phosphate rock is_____________________?A. Ammonium phosphate
B. Flour apatite
C. Calcium fluoride
D. Calcium phosphateThe composition of fresh feed to the high temperature, high pressure urea autoclave is______________________?
The composition of fresh feed to the high temperature, high pressure urea autoclave is______________________?A. Excess liquid ammonia and liquefied CO2
B. Excess liquid ammonia and compressed CO2 gas
C. Liquid ammonia and excess compressed CO2
D. Compressed ammonia gas and excess compressed CO2_____________ is not a fertiliser?
_____________ is not a fertiliser?A. Calcium ammonium nitrate
B. Ferrous sulphate
C. Liquid ammonia
D. Ammonium sulphateWhich of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?
Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?A. H2 separation from coke oven gas
B. Steam reforming of naphtha
C. Cracking of natural gas
D. Electrolysis of waterCalcium ammonium nitrate (CAN) is__________________?
Calcium ammonium nitrate (CAN) is__________________?A. A mixed fertiliser
B. A straight fertiliser
C. A complex fertiliser
D. Not a fertiliser; it is an explosive