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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

Liquor poisoning generally occurs due to the presence of _________________ in it ?
A Ethyl alcohol
B Impurities
C Methyl alcohol
D Carbonic acid
Correct Answer: Methyl alcohol
The process involved in converting rubber into a thin sheet or coating it on fabric is called ___________________?
A Extrusion
B Mastication
C Calendaring
D Vulcanisation
Correct Answer: Calendaring
Sulphur removal by heating of pyrite ore in presence of air is called its ____________________?
A Reduction
B Roasting
C Calcination
D Smelting
Correct Answer: Roasting
Alcohol content in freshly prepared natural and fortified wine may be respectively around ______________ percent ?
A 7-14 and 14-30
B 7-14 and 40-50
C 14 – 30 and 40-50
D 10 – 20 and 40 – 50
Correct Answer: 7-14 and 14-30
Saponification number of an oil or fat____________________?
A Gives an idea about its molecular weight
B Is inversely proportional to its molecular weight
C Detects its adulteration
D All A , B. & C.
Correct Answer: All A , B. & C.
____________ is a polysaccharide?
A Maltose
B Starch
C Sucrose
D Glucose
Correct Answer: Starch
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
A Explosive
B Soap
C Detergent
D Analgesic drug
Correct Answer: Detergent
Superior quality laboratory apparatus is made of the _____________ glass having low thermal co-efficient of expansion & high chemical resistance?
A Flint
B Soda
C Pyrex
D Potash
Correct Answer: Pyrex
Use of chlorine in the treatment of sewage_________________?
A Helps in grease separation
B Increases the biological oxygen demand (BOD)
C Causes bulking of activated sludge
D Aids in flocculation
Correct Answer: Helps in grease separation
CaO is called__________________?
A Quick lime
B Slaked lime
C Limestone
D Calcite
Correct Answer: Quick lime
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