Chemical Engineering MCQs

6108 MCQs  (Page 119 of 611)

Attempt Chemical Engineering Quiz
Sulphuric acid saturated with SO3 is called_________________?
A. Concentrated h2so4
B. Sulphurous acid
C. Oleum
D. None of these
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Main constituent of limestone is____________________?
A. Caco3
B. Mgco3
C. Na2co3
D. Caso4
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Refractory bricks burnt at very high temperature have got______________?
A. Greater resistance to corrosion by slags
B. Less resistance to corrosion by slags
C. High spalling tendency
D. None of these
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Which allotrope of sulphur is insoluble in carbon disulphide ?
A. Rhombic sulphur
B. Monoclinic sulphur
C. Plastic sulphur
D. Milk of sulphur
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Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of____________________?
A. Trichloroethylene
B. Perchloroethylene
C. Parathion
D. Methanol
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Multistage catalytic converter is not used in the___________________?
A. Conversion of so2 to so3
B. Nh3 synthesis reaction
C. Both a. and b.
D. Neither a. nor b.
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Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?
A. Ago
B. Al2o3
C. Zncl2
D. Fe2o3
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Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?
A. Nh3
B. Nacl
C. Cao
D. Coke
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The difference between saponification value and acid value is____________________?
A. Called ester value
B. Always negative
C. Constant for all fatty oils
D. None of these
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Chrome tanning and vegetable tanning are done for ________________?
A. Light & heavy leather respectively
B. Heavy & light leather respectively
C. Both light & heavy leather
D. Neither light nor heavy leather
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Word of the Day
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January
a preference or special liking for something; a bias in favour of something.
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