Chemical Engineering MCQs

6108 MCQs  (Page 507 of 611)

Attempt Chemical Engineering Quiz
Electric process as compared to wet process (for the manufacture of phosphoric acid) ?
A. Can use only high grade phosphate rock
B. Is used less frequently
C. Produces a valuable by-product called gypsum
D. Is weak acid process
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Fertiliser produced during soda ash manufacture by dual process is ammonium______________________?
A. Chloride
B. Sulphate
C. Nitrate
D. None of these
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Potassic fertiliser is graded based on its ______________ content?
A. Kcl
B. K2o
C. Kno3
D. K2so4
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Dehydration of ammonium carbamate (to produce urea) is a/an _____________ reaction?
A. Reversible
B. Catalytic
C. Exothermic
D. Endothermic
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The composition of fresh feed to the high temperature, high pressure urea autoclave is______________________?
A. Excess liquid ammonia and liquefied co2
B. Excess liquid ammonia and compressed co2 gas
C. Liquid ammonia and excess compressed co2
D. Compressed ammonia gas and excess compressed co2
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A fertiliser contains 82% N2. It could be_____________________?
A. Urea
B. Liquid nh3
C. Ammonium nitrate
D. None of these
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Catalyst used in the manufacture of NH3 by Haber’s process is finely divided________________?
A. Nickel
B. Iron
C. Vanadium pentoxide
D. Alumina
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_____________ is required more for leafy crops?
A. Nitrogen
B. Phosphorous
C. Potassium
D. Carbon
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Nitrogen content of calcium ammonium nitrate (CAN) is _____________ percent?
A. 10
B. 25
C. 50
D. 80
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Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?
A. Al2o3
B. Cr2o3
C. K2o
D. Mno
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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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