A. 10
B. 25
C. 50
D. 80
Related Mcqs:
- Calcium ammonium nitrate (CAN) is__________________?
A. A mixed fertiliser
B. A straight fertiliser
C. A complex fertiliser
D. Not a fertiliser; it is an explosive - In calcium ammonium nitrate (CAN) fertiliser ____________________?
A. Nitrate nitrogen is quick acting
B. Ammoniacal nitrogen is quick acting
C. Nitrate nitrogen is slower acting
D. None of these - Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3__________________?
A. HNO3 & limestone
B. CO2 & H2SO4
C. HNO3 & NH4Cl
D. CO2 & KNO3 - Nitrogen content in ammonium sulphate (a fertiliser) is around ______________ percent?
A. 5
B. 20
C. 50
D. 65 - Nitrogen content of urea is about _____________ percent ?
A. 10
B. 46
C. 80
D. 94 - Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because______________________?
A. It is hygroscopic and explosive in nature
B. It is highly acidic in nature
C. It is a liquid at room temperature
D. Its nitrogen content is very less - Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an _______________________ reaction?
A. Catalytic
B. Endothermic
C. Exothermic
D. Autocatalytic - 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 - Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________?
A. Increase its nitrogen content
B. Cut down its production cost
C. Avoid the risk of explosion
D. Add extra nutrient as fertiliser - Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is___________________?
A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these
