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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 5
1.
Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?
Urea
CAN
Ammonium sulphate
Calcium cyanamide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
__________ catalyst is used in the production of urea from CO2 and NH3.
Vanadium pentoxide
No
Alumina
Nickel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
5-10-5 fertilisers mean that they contain
5, 10, 5% respectively of N2, P2O5 and K2O.
only 5 to 10% active fertiliser constituents.
5 to 10% filler & carrier of soil conditioners.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Color of nitric acid is light yellow due to the presence of
NO
NO2
N2H5
NH3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Catalytic ammonia synthesis reaction as in Haber's process is
endothermic
exothermic
irreversible
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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