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Chemical Engineering - Fertiliser Technology

Exercise : Fertiliser Technology - Section 1
21.
Pick out the wrong statement.
Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water.
Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4)6 (F, Cl, OH).
Urea is more hygroscopic than ammonium nitrate.
Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound form.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which of the following does not come under the category of 'secondary nutrient' for plant growth?
Calcium
Magnesium
Sulphur
Oxygen
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha ?
1.5:1
3.5:1
10:1
15:1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
(CH3 C6 H4)3 PO4 is the chemical formula of
triple superphosphate
tricresyl phosphate
flourapatite
superphosphate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?
Al2O3
Cr2O3
K2O
MnO
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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