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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 3
31.
Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it
has a pungent smell.
vaporises at normal temperature.
is toxic and highly corrosive.
is in short supply.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Rock phosphate used for the production of phosphatic fertiliser is mined at
Amjhor (Jharkhand)
Talchar (Orissa)
Bailladella (M.P.)
Kiriburu (Bihar)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
CaH4(PO4)2 is the chemical formula of
superphosphate
triple superphosphate
calcium phosphate
meta phosphoric acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.
mixed
complex
highly hygroscopic
highly explosive
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the
presence of an inert atmosphere.
presence of a reducing atmosphere.
absence of air.
presence of an oxidising atmosphere.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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