Chemical Engineering MCQs

6108 MCQs  (Page 516 of 611)

Attempt Chemical Engineering Quiz
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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Leaching of phosphate rock by strong ____________ acid produces phosphoric acid ?
A. Sulphuric
B. Hydrochloric
C. Either a. or b.
D. Neither a. nor b.
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Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3__________________?
A. Hno3 & limestone
B. Co2 & h2so4
C. Hno3 & nh4cl
D. Co2 & kno3
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A nitrogenous fertiliser contains 20% N2. It could be_________________?
A. Ammonium nitrate
B. Calcium ammonium nitrate (can)
C. Urea
D. Ammonium chloride
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Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition _______________?
A. Electrolysis of water
B. Cryogenic removal of h2 from coke oven gas
C. Steam reforming of naphtha
D. Natural gas cracking
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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