Fertilizer Technology MCQs

186 MCQs  — Chemical Engineering MCQs  (Page 11 of 19)

Attempt Fertilizer Technology Quiz
Which of the following does not come under the category of ‘secondary nutrient’ for plant growth ?
A. Calcium
B. Magnesium
C. Sulphur
D. Oxygen
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Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber’s process ?
A. High pressure, low reactants concentration, high temperature
B. High pressure, low reactants concentration, low temperature
C. High pressure, high reactants concentration, low temperature
D. Low pressure, high reactants concentration, low temperature
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Steam reforming of naphtha is a source of hydrogen production for nitrogenous 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
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Catalyst used in desulphurisation of naphtha is____________________?
A. Co-mo
B. Pt-rh
C. Silica gel
D. Nickel
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In calcium ammonium nitrate (CAN) fertiliser ____________________?
A. Nitrate nitrogen is quick acting
B. Ammoniacal nitrogen is quick acting
C. Nitrate nitrogen is slower acting
D. None of these
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Optimum reaction temperature in steam reforming of naphtha is ______________ °C?
A. 700 – 1000
B. 300 – 450
C. 1500-1700
D. 100-200
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Action of phosphoric acid on rock phosphate produces_________________?
A. Superphosphate
B. Triple superphosphate
C. Nitrophosphate
D. Diammonium phosphate
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Which is the best fertiliser for paddy ?
A. Ammonium sulphate
B. Nitro-phosphate
C. Superphosphate
D. Potassium nitrate
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Effectiveness of a fertiliser is independent of the ___________________?
A. Nature of soil
B. Type of crop
C. Ph of soil
D. None of these
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Biuret formation in urea is kept at minimum (< 1 %), because it is___________________?
A. Corrosive in nature
B. Toxic and harmful to some crops
C. Helpful in decomposition of urea
D. Explosive in nature
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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