Chemical Engineering MCQs

6108 MCQs  (Page 503 of 611)

Attempt Chemical Engineering Quiz
Bio-fertilisers are cheaper, renewable and pollution free. They improve the _____________ of the soil?
A. Nutrient supply
B. Texture
C. Water holding capacity
D. All a., b. and c.
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Montecatini process is used for the manufacture of____________________?
A. Nitric acid
B. Phosphoric acid
C. Urea
D. Calcium ammonium nitrate (can)
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Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________?
A. Carbonate
B. Phosphate
C. Bicarbonate
D. Silicate
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Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?
A. H2 separation from coke oven gas
B. Steam reforming of naphtha
C. Cracking of natural gas
D. Electrolysis of water
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Urea is formed only____________________?
A. In liquid phase
B. In vapour phase
C. At very high temperature
D. At very low pressure (vacuum)
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A mixture of phosphate rock ______________ is heated in an electric furnace to produce phosphorous?
A. Salt & coke
B. Sand & coke
C. And coke
D. And sand
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______________ is the most suitable fertiliser for paddy?
A. Urea
B. Ammonium sulphate
C. Superphosphate
D. Potassium nitrate
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Phosphorus vapour comprises of ___________________?
A. P
B. P2
C. P3
D. P4
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Reaction of Cresylic acid with _____________ produces Tricresyl phosphate?
A. Phosphorous pentoxide
B. Phosphorous oxychloride
C. Ammonium phosphate
D. Calcium phosphate
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Commercial production of hydrogen for the manufacture of nitrogenous fertilisers is done by________________?
A. Steam reforming of naphtha and cracking of natural gas
B. Electrolysis of water
C. Cryogenic separation of hydrogen from coke oven gas
D. All a., b. and c.
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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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