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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 4
26.
Low grade phosphate rock can be used in electrical furnace, because
of the better CaO/SiO2 balance for slag formation.
CaO content is less.
it is cheap.
it produces low cost product.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Fertiliser produced during soda ash manufacture by dual process is ammonium
chloride
sulphate
nitrate
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
In an ammonia plant, the purge off is essential to
maintain inert gas concentration within a limit.
remove excess poisonous gases.
maintain H2 : N2 ratio at 3 :1.
remove uncondensed ammonia vapour.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ?
Nitrogenous fertilisers
Phosphatic fertilisers
Potassic fertiliser
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching?
Iso propyl alcohol
Butyl alcohol
Toluene
Hexane
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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