A. Nickel
B. Platinum
C. Silica gel
D. Rhodium
0
Color of nitric acid is light yellow due to the presence of__________________?
0
Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas ?
A. NO
B. NO2
C. N2H5
D. NH3
0
Conditioners like finely divided peat are added to the fertiliser to________________?
A. Water
B. Naphtha
C. Tar
D. Coal/coke oven gas
0
Urea is a better fertilizer than ammonium sulphate, because__________________?
A. Counteract burning
B. Avoid caking & hardening
C. Produce bulk
D. Increase its solubility
0
Electric furnace method for production of phosphorous uses phosphate rock and _________________________?
A. It is cheaper
B. Nitrogen content is higher
C. It is not poisonous
D. It is easy to manufacture
0
An increase in the NH3/CO2 ratio in urea manufacture results in__________________?
A. Phosphoric acid
B. Coke
C. Sulphuric acid
D. Silica and coke
0
Maximum nitrogen percentage is in________________?
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
0
Fertiliser plants get their N2 requirements _____________________?
A. Ammonium sulphate
B. Calcium ammonium nitrate
C. Urea
D. Liquid ammonia
0
Which of the following is not a measure component necessarily to be present in fertilisers ?
A. By fractionation of liquefied air
B. By dissociating oxides of nitrogen
C. From coal gas (coke oven gas)
D. From producer gas
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