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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

Hydrocyanic acid (HCN) is used as an insecticide for____________________?
A Controlling timber degradation by ants
B Controlling poultry lice
C Potato beetle
D Citrus fruits
Correct Answer: Citrus fruits
Penicillin is separated from fermented broth by ____________________?
A Extraction with amyl or butyl acetate
B Ternary Azeotropic distillation
C Evaporator in calandria
D Extractive distillation
Correct Answer: Extraction with amyl or butyl acetate
Carbon disulphide is mainly used in the production of______________________?
A Viscose rayon
B Corundum
C Plasticiser for unsaturated polyester
D Paints
Correct Answer: Viscose rayon
In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because___________________?
A SO3 gas is sparingly soluble in water
B Water forms an acid mist, which is difficult to absorb
C The purity of acid is affected
D Scale formation in the absorber is to be avoided
Correct Answer: Water forms an acid mist, which is difficult to absorb
Teflon is___________________?
A Phenol formaldehyde
B An inorganic polymer
C Poly tetra-fluoro-ethylene (P.T.F.E.)
D A monomer
Correct Answer: Poly tetra-fluoro-ethylene (P.T.F.E.)
Sea water contains about ______________________ ppm of bromine ?
A 5
B 70
C 500
D 1700
Correct Answer: 70
Nitric acid is not used in the manufacture of______________________?
A Detergents
B Fertilisers
C Aqua regia
D Explosives
Correct Answer: Detergents
Viscose rayon is__________________?
A Cellulose nitrate
B Regenerated cellulose nitrate
C Regenerated cellulose acetate
D None of these
Correct Answer: None of these
Permanent hardness of water can be removed by___________________?
A Boiling
B Adding Ca(OH)2
C Boiling it with Na2CO3
D None of these
Correct Answer: Boiling
Celluloid is chemically___________________?
A Cellulose acetate
B Regenerated cellulose
C Cellulose nitrate
D Cellulose acetate butyrate
Correct Answer: Cellulose nitrate
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