Distillation
Dehydration
Dehydrogenation
None of these
✅ The correct answer is option D.
Chemical Engineering MCQs
Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis.
(i) – Ni/Al2O₃; (ii) – Cu – ZnO/Al2O₃
(i) – Fe/Al2O₃; (ii) – Cu – ZnO/Al2O₃
(i) – Ni/Al2O₃; (ii) – Fe/Al2O₃
(i) – Fe/Al2O₃; (ii) – Ni/Al2O₃
✅ The correct answer is option C.
Sulphuric acid saturated with SO₃ is called
Concentrated H₂SO₄
Sulphurous acid
Oleum
None of these
✅ The correct answer is option C.
Setting of plaster of paris is accompanied with
Hydration
Dehydration
Hydrolysis
Loss of CO₂
✅ The correct answer is option A.
Mercury cells for caustic soda manufacture, compared to diaphragm cells
Require lower initial investment
Require more power
Produce lower concentration NaOH
None of these
✅ The correct answer is option D.
Concentration of hydrogen peroxide is done by
Crystallisation
Vacuum crystallisation
Atmospheric distillation
Dehydration
✅ The correct answer is option B.
Economics of ‘Solvay Process’ depends upon the efficiency of
Carbonating tower
Ammonia recovery
Ammonia recovery and size of the plant
Ammoniation of salt solution
✅ The correct answer is option C.
The major use of butadiene is
As a plasticiser for unsaturated polyester
In the manufacture of synthetic rubber
As an anti-skinning agent in paint
None of these
✅ The correct answer is option B.
Hydrodenation of vegetable oils is a/an __________ reaction.
Endothermic
Autocatalytic
Exothermic
Homogenous
✅ The correct answer is option C.
Poly Vinyl Chloride (P.V.C.) is a __________ material.
Thermosetting
Thermoplastic
Fibrous
Chemically active
✅ The correct answer is option B.