A. 60
B. 30
C. 95
D. 100
A. Increased biuret formation
B. High corrosion rate
C. Increased cost of equipment
D. All A., B. & C.
A. Nitrogen
B. Potassium
C. Phosphorous
D. Sulphur
A. By fractionation of liquefied air
B. By dissociating oxides of nitrogen
C. From coal gas (coke oven gas)
D. From producer gas
Fertiliser plants get their N2 requirements _____________________? Read More »
Fertilizer Technology A. Ammonium sulphate
B. Calcium ammonium nitrate
C. Urea
D. Liquid ammonia
Maximum nitrogen percentage is in________________? Read More »
Fertilizer Technology A. Increased degree of conversion of CO2 to urea
B. Decreased degree of conversion of NH3 to urea
C. Decreased yield of urea
D. Decreased specific volume of molten mass
An increase in the NH3/CO2 ratio in urea manufacture results in__________________? Read More »
Fertilizer Technology A. Phosphoric acid
B. Coke
C. Sulphuric acid
D. Silica and coke
A. It is cheaper
B. Nitrogen content is higher
C. It is not poisonous
D. It is easy to manufacture
Urea is a better fertilizer than ammonium sulphate, because__________________? Read More »
Fertilizer Technology A. Counteract burning
B. Avoid caking & hardening
C. Produce bulk
D. Increase its solubility
Conditioners like finely divided peat are added to the fertiliser to________________? Read More »
Fertilizer Technology A. Water
B. Naphtha
C. Tar
D. Coal/coke oven gas
