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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

Chemical name of Grignard reagent is__________________?
A Sodium thiosulphate
B Ethyl magnesium chloride
C Sodium sulphite
D Sodium bicarbonate
Correct Answer: Ethyl magnesium chloride
Phthalic anhydride is produced by the oxidation of _________________?
A Naphthalene
B Benzene
C Toluene
D Aniline
Correct Answer: Benzene
Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about ___________________?
A 0.1 to 0.5
B 1 to 5
C 5 to 10
D 15 to 25
Correct Answer: 0.1 to 0.5
Pick out the wrong statement ?
A High early strength cement are made from materials having high silica to lime ratio
B The function of gypsum in cement is to enhance its initial setting rate
C Acid resistant cements are known as silicate cement
D Major component of greyish Portland cement is tricalcium silicate
Correct Answer: High early strength cement are made from materials having high silica to lime ratio
Pick out the wrong statement ?
A DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence
B Chloral is obtained by the chlorination of ethyl alcohol
C Insecticides acting on the insects through the respiratory system are called fumigants
D Benzene hexachloride is not a contact insecticide
Correct Answer: Benzene hexachloride is not a contact insecticide
Pick out the correct statement ?
A A fat is converted into oil by its hydrogenation
B There is no difference between a fat and an oil so far as its physical properties are concerned
C All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon
D Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their
Correct Answer: All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon
Pick out the wrong statement?
A Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens
B Soap powder is prepared by mixing soap with hydrated sodium carbonate
C Detergents differ from soaps in their action in hard water
D Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due
Correct Answer: Tarnish inhibitor (e.g., Benzotriazole) is added in soap to facilitate the removal of stains due
Sucrose content in cane sugar may be around ______________________ percent ?
A 50
B 70
C 95
D 80
Correct Answer: 95
Use of hydrated lime in water treatment_________________?
A Before filtration, reduces the bacterial load on filters
B After filtration, combats the corrosiveness of water due to the presence of O2 & CO2
C Is to adjust the pH value
D All A , B. and C.
Correct Answer: All A , B. and C.
Grignard reagent is chemically known as ____________________?
A Ethyl magnesium chloride
B Methyl magnesium chloride
C Dichlorophenol
D Monochloroacetic acid
Correct Answer: Ethyl magnesium chloride
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