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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 1
16.
Reaction of dilute sulphuric acid with phosphate rock produces
phosphoric acid
superphosphate
triple superphosphate
gypsum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Phosphoric acid is produced in wet process from phosphate rock and
dilute H2SO4
concentrated H2SO4
concentrated NHO3
concentrated HCl
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Base suspension fertiliser essentially contains
13% N2 and 43% P2O5
43% N2 and 13% P2O5
43% N2 and 13% K2O
43% K2O and 43% P2O5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Conditioners like finely divided peat are added to the fertiliser to
counteract burning.
avoid caking & hardening.
produce bulk.
increase its solubility.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Liquid ammonia is not used as such a fertiliser in tropical countries like India, because
its N2 content is very low.
it is very costly.
it will evaporate on spraying.
it is not available.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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