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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Phosphatic fertiliser is graded based on its _____________ content?
A P2O3
B PCl5
C P2O5
D H3PO4
Correct Answer: P2O5
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?
A Stabilisation
B Increasing the effectiveness
C Improving the strength & heat resistance
D All A, B & C
Correct Answer: All A, B & C
Naphtha in a fertiliser plant is used as a source of___________________?
A Fuel
B H2
C N2
D O2
Correct Answer: H2
Low grade phosphate rock can be used in electrical furnace, because__________________?
A Of the better CaO/SiO2 balance for slag formation
B CaO content is less
C It is cheap
D It produces low cost product
Correct Answer: Of the better CaO/SiO2 balance for slag formation
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.
Correct Answer: All A., B. and C.
Reaction of Cresylic acid with _____________ produces Tricresyl phosphate?
A Phosphorous pentoxide
B Phosphorous oxychloride
C Ammonium phosphate
D Calcium phosphate
Correct Answer: Phosphorous oxychloride
Phosphorus vapour comprises of ___________________?
A P
B P2
C P3
D P4
Correct Answer: P
______________ is the most suitable fertiliser for paddy?
A Urea
B Ammonium sulphate
C Superphosphate
D Potassium nitrate
Correct Answer: Ammonium sulphate
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
Correct Answer: Sand & coke
Urea is formed only____________________?
A In liquid phase
B In vapour phase
C At very high temperature
D At very low pressure (vacuum)
Correct Answer: In liquid phase
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