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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 1
46.
Ammonium sulphate can be produced by reacting gypsum with
ammonia
ammonium carbonate
nitric acid
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Nitrogenous fertiliser is required
during the early stage of growth to promote development of stem and leaves.
for accelerating fruit formation in later stage of growth.
to lessen the effect of excessive potash application.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at
Rourkela (under SAIL)
Bokaro (under SAIL)
Sindri (under FCI)
Baroda (under G.S.F.C.)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Catalyst used in Haber's process for ammonia production is
reduced iron oxide
nickel
vanadium pentoxide
silica gel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
carbonate
phosphate
bicarbonate
silicate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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