Water treatment
Glass manufacture
Hydrogenation of fatty oil as a catalyst
Development of exposed photographic plate
✅ The correct answer is option A.
Chemical Process MCQs
Sizing material is incorporated in paper to
Impart resistance to penetration by liquids
Increase its thickness
Increase its flexibility & opacity
Increase its brightness
✅ The correct answer is option A.
Which of the following processes can remove both temporary as well as permanent hardness of water?
Filtration
Boiling
Distillation
None of these
✅ The correct answer is option C.
Naphthalene is removed from coke oven gas by
Adsorbing on palladium
Absorbing in ethanolamine
Scrubbing with wash oil
Passing it through electrostatic precipitator
✅ The correct answer is option C.
Common salt is generally not produced commonly by __________ method from brine.
Freeze drying
Electrolytic
Solar evaporation
Vacuum evaporation
✅ The correct answer is option A.
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.
Permanent hardness of water can be removed by
Addition of soda ash to it
Treating it with zeolites
Passing it through sodium hexametaphosphate
All of the above
✅ The correct answer is option D.
The main component of pyrex glass is
Zinc
Lead
Boron
Celenium
✅ The correct answer is option B.