Chemical Engineering MCQs

6108 MCQs  (Page 153 of 611)

Plaster of Paris is __________________?
A. Caso4.½h2o
B. Used for setting of broken bones
C. Both a. and b.
D. Same as gypsum
Absorption of SO3 in 97% H2SO4 is_______________?
A. Exothermic
B. Endothermic
C. Not possible
D. None of these
Phthalic anhydride is made by the ______________________?
A. Oxidation of naphthalene
B. Oxidation of benzene
C. Dehydrogenation of ethyl benzene
D. None of these
Dehydrogenation of Isopropanol produces ____________________?
A. Propyl alcohol
B. Acetone
C. Trichloroethylene
D. Formaldehyde
Which of the following is a constituent of vinegar ?
A. Around 10% alcohol
B. Around 1% acetic acid
C. Both a. and b.
D. Neither a. nor b.
‘Hollander beater’ machine used in the paper manufacturing plant does not accomplish the task of____________________?
A. Final rolling out of paper
B. Cutting of fibres
C. Hydration of fibres
D. Fibrillation of fibre
Oil produced by solvent extraction________________?
A. Has low free fatty acid content
B. Is odourless
C. Both a. & b.
D. Neither a. nor b.