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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 2
16.
Heating of orthophosphoric acid to about 900°C, produces
metaphosphoric acid
pyrophosphoric acid
no change in it
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Reaction of phosphate rock with 98% H2SO4 produces
orthophosphoric acid
superphosphate
white phosphorous
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
HPO3 is the chemical formula of __________ phosphoric acid.
pyro
ortho
meta
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Both white phosphorous as well as red phosphorous
are soluble in CS2.
burns when heated in air.
reacts with hot caustic soda solution to give phosphine.
all (a), (b), and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Catalyst used in steam reforming of naphtha is
nickel
platinum
silica gel
rhodium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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