Fertilizer Technology MCQs

186 MCQs  — Chemical Engineering MCQs  (Page 17 of 19)

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Main component of bone ash is _________________?
A. Calcium sulphate
B. Calcium phosphate
C. Calcium carbonate
D. Sodium phosphate
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Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________?
A. Increase its nitrogen content
B. Cut down its production cost
C. Avoid the risk of explosion
D. Add extra nutrient as fertiliser
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Heating of ortho-phosphoric acid to about 900°C, produces_________________?
A. Meta-phosphoric acid
B. Pyrophosphoric acid
C. No change in it
D. None of these
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Prilling tower is found in the flowsheet for the manufacture of__________________?
A. Ammonia
B. Urea
C. Superphosphate
D. Triple superphosphate
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Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ?
A. Nitrogenous fertilisers
B. Phosphatic fertilisers
C. Potassic fertiliser
D. None of these
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Both white phosphorous as well as red phosphorous_________________?
A. Are soluble in cs2
B. Burns when heated in air
C. Reacts with hot caustic soda solution to give phosphine
D. All a., b., and c.
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Dehydration of ammonium carbamate to yield urea is a/an __________________ reaction?
A. Exothermic
B. Endothermic
C. Autocatalytic
D. Catalytic
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Nitrogen content in ammonium sulphate (a fertiliser) is around ______________ percent?
A. 5
B. 20
C. 50
D. 65
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Flushing liquor used for cooling coke oven gas constitutes of __________________?
A. Ammoniacal liquor
B. K2co3 solution
C. Dilute h2so4
D. Dilute hcl
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Which of the following is not a mixed fertiliser ?
A. Nitrophosphate
B. Calcium ammonium nitrate (can)
C. Ammonium phosphate
D. None of these
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Word of the Day
22 Jul
Combative
ready or eager to fight or argue.
لڑاکا، متنازع، جھگڑالو

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