Chemical Engineering MCQs

6108 MCQs  (Page 508 of 611)

Attempt Chemical Engineering Quiz
Montecatini process is a widely used process for the manufacture of ___________________?
A. Urea
B. Calcium ammonium nitrate
C. Triple superphosphate
D. None of these
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NPK fertiliser is a _______________ fertiliser?
A. Complex
B. Mixed
C. Nitrogenous
D. Phosphatic
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Red phosphorous is changed into white phosphorous by______________________?
A. Heating in presence of light
B. Melting under pressure
C. Vaporisation followed by condensation
D. None of these
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Reaction of nitric acid and sulphuric acid with phosphate rock produces_________________?
A. Nitrophosphate
B. Diammonium phosphate
C. Tricresyl phosphate
D. Tributyl phosphate
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Phosphatic fertilisers_________________?
A. Are useful during early stage of the plant growth
B. Accelerate fruit formation in later stages of growth
C. Lessen the effect of excessive nitrogen application
D. None of these
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Reaction of ortho-phosphoric acid with soda ash produces______________?
A. Sodium tributyl phosphate (stpp)
B. Tricresyl phosphate
C. Tributyl phosphate
D. Nitrophosphate
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Urea is represented as______________________?
A. Nh2.co.nh2
B. Nh3co.ch3
C. Nh.co2.nh
D. Nh3.co2.nh3
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_____________ is not a fertiliser?
A. Calcium ammonium nitrate
B. Ferrous sulphate
C. Liquid ammonia
D. Ammonium sulphate
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P2O5 content in triple superphosphate is about ______________ percent?
A. 42-50
B. 15-20
C. 85-90
D. 70-75
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Yield of elemental phosphorous from rock phosphate is about _____________ percent?
A. 1-2
B. 15-25
C. 40-45
D. 60-65
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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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