Ethyl alcohol
Ethylene
Both A & B
Neither A nor B
✅ The correct answer is option C.
Chemical Engineering MCQs
High purity nitrogen is used in
Making protective gas (95% N₂ + 5% H₂) for annealing of cold rolled steel strip coils
Fire fighting purposes
Both A & B
Neither A nor B
✅ The correct answer is option C.
Rancidity of the fatty oil can be reduced by its
Decoloration
Hydrogenation
Oxidation
Purification
✅ The correct answer is option B.
The most reactive allotropic form of phosphorus is __________ phosphorus.
Red
Yellow
Violet
Black
✅ The correct answer is option B.
Phthalic anhydride is used
In making PVC
As plasticisers
In insecticides manufacture
For making nylon-6
✅ The correct answer is option B.
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as
Bakelite
Neoprene
Teflon
Nylon-66
✅ The correct answer is option C.
Alcohol percentage in molasses may be around
10
40
70
85
✅ The correct answer is option B.
Main product in calcium carbide-water reaction is
Ca(OH)₂
C₂H₂
CO₂
CaCO₃
✅ The correct answer is option B.
Alkylbenzene sulfonate (ABS) is a
Detergent
Rubber
Pesticide
Polyester
✅ The correct answer is option A.
Raw materials used for producing __________ cement does not contain iron oxide.
Waterproof
Slag
White
Pozzolan
✅ The correct answer is option C.