Freeze drying
Electrolytic
Solar evaporation
Vacuum evaporation
✅ The correct answer is option A.
Chemical Engineering MCQs
Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
70
55
80
94
✅ The correct answer is option D.
Main constituents of cotton fiber is
Lignin
Cellulose
Starch
Gelatine
✅ The correct answer is option B.
Ethanol amine is produced using ammonia and
Ethyl benzene
Ethylene oxide
Ethanol
Ethane
✅ The correct answer is option B.
In industrial nomenclature, alcohol means
Butyl alcohol
Propyl alcohol
Ethanol
Methyl alcohol
✅ The correct answer is option C.
A mineral is termed as ‘ore’, if
A metal can be economically extracted from it
It contains ≥ 40% metal
The metal present in it is costly
All of the above
✅ The correct answer is option A.
Fusion of bauxite and __________ produces high alumina cement.
Alum
Limestone
Coke
Quartz
✅ The correct answer is option B.
Alcohol is produced by the
Oxidation of an aldehyde
Hydrolysis of an ether
Esterification of a fat
None of these
✅ The correct answer is option B.
Glycerine is a by-product of the __________ industry.
Soap
Detergent
Oil hydrogenation
Paint
✅ The correct answer is option A.
Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
Nylon-6
Dacron
Polyester
PVC
✅ The correct answer is option B.