Nylon-6
Dacron
Polyester
PVC
✅ The correct answer is option B.
Chemical Process MCQs
Chemical name of Grignard reagent is
Sodium thiosulphate
Ethyl magnesium chloride
Sodium sulphite
Sodium bicarbonate
✅ The correct answer is option B.
Hydrazine (N₂H₄) is used mainly as a/an
Explosive
Rocket fuel
Detergents additive
None of these
✅ The correct answer is option B.
Pick out the endothermic reaction out of the following.
C+1/2O₂ = CO
CO + 3H₂ = CH₄ + H₂O
CaCO₃ = CaO + CO₂
CO +1/2O₂ = CO₂
✅ The correct answer is option C.
Hydrophilic group of a soap or detergent solution is
Water hating
Soil loving
Water loving
None of these
✅ The correct answer is option C.
Roasting of metallurgical ores is done mainly to
Dehydrate it
Sinter the ore
Remove CO₂ & H₂O
Remove arsenic & sulphur
✅ The correct answer is option D.
Frasch process is for
Making oxygen
Producing helium
Mining sulphur
Making nitrogen
✅ The correct answer is option C.
Which of the following, when pyrolysed, produces perchloro-ethylene?
Ethylene dichloride
Chlorobenzene
Carbon tetrachloride
Chlorinated paraffin
✅ The correct answer is option C.
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
1 atm & 100°C
5 atm & 275°C
100 atm & 500°C
50 atm & 1000°C
✅ The correct answer is option B.
In the Lurgi coal gasifier
Coking coals cannot be used
Low carbon conversion efficiency is achieved
Entrainment of solids is higher
Large quantity of coal can be processed
✅ The correct answer is option D.