Chemical Engineering MCQs

6108 MCQs  (Page 513 of 611)

Attempt Chemical Engineering Quiz
Catalyst used in the oxidation of ammonia is ________________?
A. Platinum-beryllium
B. Platinum-rhodium
C. Cobalt-molybdenum
D. Platinum-molybdenum
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H3PO4 is the chemical formula of ______________ phosphoric acid?
A. Pyro
B. Ortho
C. Meta
D. None of these
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Nitrolime is chemically known as____________________?
A. Calcium nitrate
B. Ammonium nitrate
C. Calcium ammonium nitrate (can)
D. None of these
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Ammonium phosphate is a _____________ fertiliser?
A. Nitrogenous
B. Phosphatic
C. Complex
D. Mixed
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Reaction of phosphate rock with 98% H2SO4 produces ______________________?
A. Ortho-phosphoric acid
B. Superphosphate
C. White phosphorous
D. None of these
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Reaction of dilute sulphuric acid with phosphate rock produces ____________________?
A. Phosphoric acid
B. Superphosphate
C. Triple superphosphate
D. Gypsum
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Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an _______________________ reaction?
A. Catalytic
B. Endothermic
C. Exothermic
D. Autocatalytic
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Triple superphosphate is chemically represented as_____________________?
A. Caf2.3ca3(po4)2
B. 3ca3(po4)2
C. Ca(po3)2
D. Ca(h2po4)2
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Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the _______________ process?
A. Haber’s
B. Stengel
C. Le-chatelier’s
D. Du-pont’s
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Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of_____________ percent concentration?
A. 25-28
B. 52-54
C. 75-80
D. > 98
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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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