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.Management Sciences
Category: Chemical Process
Catalyst used in the hydrogenation of oil is_________________?
A. Nickel
B. Platinum
C. Iron
D. Alumina
Glauber’s salt is chemically ?
A. Calcium sulphate
B. Potassium sulphate
C. Potassium chlorate
D. None of these
Nitrile rubber is produced by the polymerisation of__________________?
A. Acrylonitrile and butadiene
B. Acrylonitrile and styrene
C. Isobutylene and isoprene
D. None of these
Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
A. C
B. CO
C. CO2
D. H2
Builders are added in soap to act as___________________?
A. Cleaning power booster
B. Anti-redeposition agent
C. Corrosion inhibitor
D. Fabric brightener
Fermentation of molasses to produce ethyl alcohol is done at ________________ °C?
A. 20 – 30
B. < – 5
C. 100 – 150
D. 250 – 300
The major constituent of black liquor generated during paper manufacture is sodium___________________?
A. Sulphate
B. Carbonate
C. Hydroxide
D. Bi-carbonate
Phenolic antiseptics are added in the __________________ soap?
A. Shaving
B. Medicated
C. Metallic
D. Transparent
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?
A. Is prone to thermal decomposition
B. Has high water solubility and is unstable
C. Is soluble in ammonium chloride and potassium chloride solution
D. All A , B. and C.
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