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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 3
21.
Main constituent of phosphate rock is
ammonium phosphate
flour apatite
calcium fluoride
calcium phosphate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition ?
Electrolysis of water.
Cryogenic removal of H2 from coke oven gas.
Steam reforming of naphtha.
Natural gas cracking.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.
catalytic
exothermic
endothermic
reversible
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Heating a mixture of phosphate rock, coke and sand in an electric furnace produces
phosphoric acid
ammonium phosphate
phosphorous
superphosphate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
A potassic fertiliser contains 50% K2O. It could be
potassium sulphate.
potassium chloride.
a mixture of NaCl+ KCl.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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