Chemical Engineering MCQs

6108 MCQs  (Page 137 of 611)

Attempt Chemical Engineering Quiz
Which of the following has sodium bicarbonate as its main constituent ?
A. Baking soda
B. Baking powder
C. Washing soda
D. None of these
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Fermentation of molasses to produce ethyl alcohol is done at ________________ °C?
A. 20 – 30
B. < – 5
C. 100 – 150
D. 250 – 300
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Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?
A. Na2co3
B. Nahco3
C. H2
D. None of these
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Nylon-66 is manufactured from____________________?
A. Hexamethylene diamine and adipic acid
B. Hexamethylene diamine and maleic anhydride
C. Caprolactam
D. Dimethyl terephthalate and ethylene glycol
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Anion exchanger is regenerated usually with ____________________?
A. Naoh
B. H2so4
C. Hydrazine
D. Alum solution
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Low purity oxygen is used for____________________?
A. L.d. steel making
B. Cutting and welding of metals
C. Medicinal purposes
D. Chemical oxidation processes
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Highly porous refractory bricks are ____________________?
A. Less susceptible to chemical attack by molten fluxes and gases etc
B. Very strong
C. Having very high thermal conductivity
D. None of these
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The temperature in the calcium carbide furnace is _______________ °C ?
A. 200-300
B. 700-850
C. 2000-2200
D. 4000-4500
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Sodium chloride content in sea water is about _______________ gms/liter?
A. 2
B. 10
C. 25
D. 50
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Lindane is____________________?
A. Not a fumigant
B. Bhc (benzene hexachloride) containing 99% γ-isomer
C. A by-product of bhc manufacture
D. Both b. and c.
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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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