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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 3
11.
Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and
nitric acid
ammonia
ammonium nitrate
nitric oxide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which of the following fertilisers is used as a cattle feed?
Urea
Calcium ammonium nitrate
Superphosphate
Ammonium sulphate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Biuret formation in urea is kept at minimum (< 1 %), because it is
corrosive in nature.
toxic and harmful to some crops.
helpful in decomposition of urea.
explosive in nature.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Catalyst used in desulphurisation of naphtha is
Co-Mo
Pt-Rh
silica gel
nickel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Pick out the correct statement.
Reaction of NH3 with HNO3 to produce (NH4)2NO3 is endothermic.
With increase in NH3/CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate.
Biuret (an intermediate during urea manufacture) is toxic to seeds and animals.
both (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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