Fertilizer Technology

A. Phosphoric acid
B. Superphosphate
C. Phosphorous
D. Triple superphosphate

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

A. Ammonium sulphate
B. Calcium ammonium nitrate
C. Urea
D. Liquid ammonia

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

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

A. Counteract burning
B. Avoid caking & hardening
C. Produce bulk
D. Increase its solubility