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.Management Sciences
Category: Chemical Process
Coke oven gas consists mainly of ____________________?
A. H2, & CH4
B. CO, & CO2
C. H2, & CO
D. CH4, & CO
Pick out the wrong statement ?
A. Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%
B. Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%
C. 75% oleum can be produced by distillation of 20% oleum
D. Contact process of sulphuric acid manufacture uses nickel as the catalyst
Phosphoric acid is prepared from_____________________?
A. Cryolite
B. Chalcopyrite
C. Rock phosphate
D. None of these
Maleic anhydride is produced by catalytic oxidation of____________________?
A. Toluene
B. Ethyl alcohol
C. Naphthalene
D. Benzene
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
A. Explosive
B. Soap
C. Detergent
D. Analgesic drug
The catalyst used in shift converter is___________________?
A. Nickel
B. Vanadium
C. Silica gel
D. Alumina
Use of chlorine in the treatment of sewage_________________?
A. Helps in grease separation
B. Increases the biological oxygen demand (BOD)
C. Causes bulking of activated sludge
D. Aids in flocculation
Catalytic oxidation of toluene produces____________________?
A. Styrene
B. Phenol
C. Benzene
D. Tri-nitro-toluene
Bromine is used in the preparation of___________________?
A. Fire extinguishing compounds
B. Fire proofing agents
C. Dyes and antiknock compounds
D. All A , B. and C.
Zeigler process__________________?
A. Produces high density polyethylene
B. Produces low density polyethylene
C. Uses no catalyst
D. Employs very high pressure
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