NPK means a ______________ fertiliser?
NPK means a ______________ fertiliser?
A. Mixed
B. Potassic
C. Liquid
D. Solid
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_____________ is the undesirable by-product produced in the manufacture of urea ?
_____________ is the undesirable by-product produced in the manufacture of urea ?A. Ammonium carbonate
B. Biuret
C. Carbon dioxide
D. Ammonium carbamateFlushing liquor used for cooling coke oven gas constitutes of __________________?
Flushing liquor used for cooling coke oven gas constitutes of __________________?A. Ammoniacal liquor
B. K2CO3 solution
C. Dilute H2SO4
D. Dilute HClMaximum stability of white phosphorous is at__________________?
Maximum stability of white phosphorous is at__________________?A. Very high pressure
B. Atmospheric pressure
C. Room temperature
D. > 600°CColor of nitric acid is light yellow due to the presence of__________________?
Color of nitric acid is light yellow due to the presence of__________________?A. NO
B. NO2
C. N2H5
D. NH3NPK fertiliser is a _______________ fertiliser?
NPK fertiliser is a _______________ fertiliser?A. Complex
B. Mixed
C. Nitrogenous
D. PhosphaticAn increase in the NH3/CO2 ratio in urea manufacture results in__________________?
An increase in the NH3/CO2 ratio in urea manufacture results 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