Fertiliser Technology - Section 1 (4)

Directions to Solve

Fertiliser Technology - Section 1

Fertilizer technology is a field and there are many problematic
MCQs available in this section which are related to this field. You can solve to test your aptitude
level in this field.

25.

The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.

A.	60
B.	30
C.	95
D.	100

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

26.

Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?

A.	Al 2O3
B.	Cr2O3
C.	K 2O
D.	MnO

Answer: Option C

Explanation:

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27.

(CH₃ C₆ H₄)₃ PO₄ is the chemical formula of

A.	triple superphosphate
B.	tricresyl phosphate
C.	flourapatite
D.	superphosphate

Answer: Option B

Explanation:

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28.

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 ?

A.	1.5:1
B.	3.5:1
C.	10:1
D.	15:1

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

29.

Which of the following does not come under the category of 'secondary nutrient' for plant growth?

A.	Calcium
B.	Magnesium
C.	Sulphur
D.	Oxygen

Answer: Option D

Explanation:

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30.

Pick out the wrong statement.

A.	Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water.
B.	Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4)6 (F, Cl, OH).
C.	Urea is more hygroscopic than ammonium nitrate.
D.	Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound form.

Answer: Option C

Explanation:

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31.

Liquid ammonia is not used as such a fertiliser in tropical countries like India, because

A.	its N2 content is very low.
B.	it is very costly.
C.	it will evaporate on spraying.
D.	it is not available.

Answer: Option C

Explanation:

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32.

Conditioners like finely divided peat are added to the fertiliser to

A.	counteract burning.
B.	avoid caking & hardening.
C.	produce bulk.
D.	increase its solubility.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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