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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 4
1.
Ammonium nitrate is
having about 40% N2.
not hygroscopic.
not prone to explosive thermal decomposition.
mixed with limestone powder to reduce its explosive nature before using it as a fertilizer.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Urea is a better fertilizer than ammonium sulphate, because
it is cheaper.
nitrogen content is higher.
it is not poisonous.
it is easy to manufacture.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Reaction of cresylic acid with __________ produces tricresyl phosphate.
phosphorous pentoxide
phosphorous oxychloride
ammonium phosphate
calcium phosphate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
In the manufacture of urea, the intermediate chemical formed is
biuret
ammonium carbamate
ammonium carbonate
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Nitrolime is chemically known as
calcium nitrate
ammonium nitrate
calcium ammonium nitrate (CAN)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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