Chemical Engineering MCQs

6108 MCQs  (Page 145 of 611)

Attempt Chemical Engineering Quiz
Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the_______________?
A. Fertiliser manufacture
B. Car battery solution
C. Synthesis of oleum
D. Water treatment
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Production of alcohol by fermentation of molasses is a/an _____________ process?
A. Anaerobic
B. Aerobic
C. Endothermic
D. Both b. and c.
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Which of the following is not a food additive ?
A. Citric acid
B. Invertage
C. Benzoyl peroxide
D. Ammonium chloride
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During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to__________________?
A. Increase the rate of absorption
B. Avoid corrosion
C. Reduce the cooling water circulation rate
D. None of these
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Which form of sulphur is the most stable at room temperature ?
A. Plastic
B. Monoclinic
C. Rhombic
D. Flowers of sulphur
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Glycerine is not used in the____________________?
A. Manufacture of explosive
B. Conditioning and humidification of tobacco
C. Manufacture of pharmaceuticals
D. None of these
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High acid value of an oil or fat is an indication of _____________________?
A. Storage under improper conditions
B. Absence of unsaturation
C. Its smaller molecular weight
D. None of these
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Brackish water which contains mostly dissolved salt, can be purified by the __________________ process?
A. Reverse osmosis
B. Sand filter
C. Lime soda
D. Permutit
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Dacron is a/an _________________?
A. Polyester
B. Unsaturated polyester
C. Polyamide
D. Inorganic polymer
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Litharge is________________?
A. Lead oxide
B. Zinc oxide
C. Zinc sulphide
D. Cellulosic photographic material
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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