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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 2
26.
Phosphatic fertilisers
are useful during early stage of the plant growth.
accelerate fruit formation in later stages of growth.
lessen the effect of excessive nitrogen application.
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Naphtha in a fertiliser plant is used as a source of
fuel
H2
N2
O2
Answer: Option
Explanation:
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28.
Pick out the wrong statement.
Dehydration of ammonium carbamate to produce urea is endothermic.
Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable.
Gypsum (CaSO4. 2H2O) is obtained as a by-product in the wet process for manufacture of ortho-phosphoric acid.
Phosphate rock when reacted with dilute H2SO4 produces superphosphate.
Answer: Option
Explanation:
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29.
Maximum nitrogen percentage is in
ammonium sulphate.
calcium ammonium nitrate.
urea.
liquid ammonia.
Answer: Option
Explanation:
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30.
Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.
5
20
50
65
Answer: Option
Explanation:
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