Chemical Engineering MCQs

6108 MCQs  (Page 125 of 611)

Esterification reaction___________________?
A. Produces soap
B. Is reversible
C. Is a reaction between an alcohol and an organic acid
D. All a, b. and c.
Fusel oil is a/an_________________?
A. Essential oil
B. Extract from medicinal herbs
C. Mixture of higher molecular weight alcohols (a by-product obtained during production of
AlcOhol from molasses)
Bordeaux mixture is a/an________________?
A. Fertiliser
B. Inorganic fungicide
C. Insecticide
D. Explosive
Solvent used for extraction of oil is_____________________?
A. Hexane
B. Methyl ethyl ketone
C. Furfural
D. None of these
______________ is an ore concentrating metallurgical process involving a chemical change?
A. Electromagnetic separation
B. Froth floatation
C. Roasting
D. None of these