Water
Liquid ammonia
Kerosene oil
Alcohol
✅ The correct answer is option C.
Chemical Process MCQs
Unsaturated oils compared to saturated oils have
Lower melting point & higher reactivity to oxygen
Higher melting point & higher reactivity to oxygen
Lower melting point & lower reactivity to oxygen
Higher melting point & lower reactivity to oxygen
✅ The correct answer is option A.
In the Solvay process, the product from the calciner is
Light soda ash
Dense soda ash
Sodium bicarbonate
Dehydrated soda ash
✅ The correct answer is option A.
The end bleaching agent used to move last traces of colour bodies from the pulp is
Chlorine dioxide (ClO₂)
MgO
SO₂ gas
Mercaptans
✅ The correct answer is option A.
Anion exchanger is regenerated usually with
NaOH
H₂SO₄
Hydrazine
Alum solution
✅ The correct answer is option A.
Industrial production of chloroform requires acetone and
Phosgene
Calcium hypochlorite
Chlorine
Ammonium chloride
✅ The correct answer is option B.
Coke used for the production of calcium carbide should have
Low ash content
Low ignition temperature
High electrical resistivity
All of the above
✅ The correct answer is option D.
Linde process of gas liquefaction employs
Exchange of heat with colder stream
Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Adiabatic expansion against a piston or in a turbine
Merely compressing the gas beyond its critical pressure
✅ The correct answer is option B.
Air used in aerobic fermentation must be sterilized, otherwise the
Recovery of product will be difficult
Contamination of pure culture would result
Uniformity of product cannot be achieved
None of these
✅ The correct answer is option B.
__________ of rubber decreases after its vulcanisation.
Resistance to the action of organic solvent
Tackiness
Maximum service temperature
Tensile strength
✅ The correct answer is option B.