Fertiliser value of a nitrogenous fertiliser is expressed in terms of its ______________ content?
A. N2
B. KNO3
C. NO2
D. NHO3
Fertilizer Technology
Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature___________________?
Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature___________________?
A. Rate of reaction is very low
B. Very high pressure is required resulting in costly pressure vessel
C. Space velocity of gas is very low resulting in decreased conversion
D. None of these
Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the _______________ process?
Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the _______________ process?
A. Haber’s
B. Stengel
C. Le-chatelier’s
D. Du-pont’s
Triple superphosphate is chemically represented as_____________________?
Triple superphosphate is chemically represented as_____________________?
A. CaF2.3Ca3(PO4)2
B. 3Ca3(PO4)2
C. Ca(PO3)2
D. Ca(H2PO4)2
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an _______________________ reaction?
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an _______________________ reaction?
A. Catalytic
B. Endothermic
C. Exothermic
D. Autocatalytic
Reaction of dilute sulphuric acid with phosphate rock produces ____________________?
Reaction of dilute sulphuric acid with phosphate rock produces ____________________?
A. Phosphoric acid
B. Superphosphate
C. Triple superphosphate
D. Gypsum
Reaction of phosphate rock with 98% H2SO4 produces ______________________?
Reaction of phosphate rock with 98% H2SO4 produces ______________________?
A. Ortho-phosphoric acid
B. Superphosphate
C. White phosphorous
D. None of these
Ammonium phosphate is a _____________ fertiliser?
Ammonium phosphate is a _____________ fertiliser?
A. Nitrogenous
B. Phosphatic
C. Complex
D. Mixed
Nitrolime is chemically known as____________________?
Nitrolime is chemically known as____________________?
A. Calcium nitrate
B. Ammonium nitrate
C. Calcium ammonium nitrate (CAN)
D. None of these
H3PO4 is the chemical formula of ______________ phosphoric acid?
H3PO4 is the chemical formula of ______________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these