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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

pH value of soil is maintained at ______________ by the addition of fertiliser for optimum growth and health of the plant?
A 4-5
B 7-8
C 9-10
D 12-13
Correct Answer: 7-8
Which of the following fertilisers contains the least percentage of nitrogen ?
A Liquid ammonia
B Urea
C Ammonium phosphate
D Ammonium sulphate
Correct Answer: Ammonium phosphate
Heating a mixture of phosphate rock, coke and sand in an electric furnace produces___________________?
A Phosphoric acid
B Ammonium phosphate
C Phosphorous
D Superphosphate
Correct Answer: Phosphorous
Catalyst used in steam reforming of naphtha is ___________________?
A Bauxite
B Cobalt
C Nickel oxide on alumina support
D Chromium
Correct Answer: Nickel oxide on alumina support
Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is___________________?
A Exothermic
B Endothermic
C Autocatalytic
D None of these
Correct Answer: Exothermic
Low grade coal is ______________ to produce ammonia synthesis gas?
A Hydrogenated
B Liquefied
C Gasified
D Dehydrogenated
Correct Answer: Gasified
Main constituent of phosphate rock is_____________________?
A Ammonium phosphate
B Flour apatite
C Calcium fluoride
D Calcium phosphate
Correct Answer: Flour apatite
Gas based fertiliser plants use_________________?
A Natural gas as a source of hydrogen
B Natural gas as heating medium
C Coal gas as a source of hydrogen
D Coal gas as heating medium
Correct Answer: Natural gas as a source of hydrogen
Chemical formula of meta-phosphoric acid is ___________________?
A H3PO4
B H4P2O7
C HPO3
D Same as that of Pyrophosphoric acid
Correct Answer: HPO3
Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition _______________?
A Electrolysis of water
B Cryogenic removal of H2 from coke oven gas
C Steam reforming of naphtha
D Natural gas cracking
Correct Answer: Electrolysis of water
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