The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _____________________?
A. Alumina
B. Silica gel
C. Platinum
D. Nickel
Chemical Process
Catalyst used in the hydrogenation of oil is_________________?
Catalyst used in the hydrogenation of oil is_________________?
A. Nickel
B. Platinum
C. Iron
D. Alumina
The function of gypsum addition during cement making is to_________________?
The function of gypsum addition during cement making is to_________________?
A. Increase the density of cement
B. Decrease the cement setting rate
C. Both A. and B.
D. Neither A. nor B.
Main use of hydrazine is___________________?
Main use of hydrazine is___________________?
A. As a rocket fuel
B. In water treatment
C. As a disinfectant
D. As fire retardant
Dehydrogenation of ethyl benzene produces __________________ ?
Dehydrogenation of ethyl benzene produces __________________ ?
A. Styrene
B. Naphthalene
C. Phenol
D. Benzoic acid
In primitive days, _____________ was being manufactured by Leblanc Process ?
In primitive days, _____________ was being manufactured by Leblanc Process ?
A. Alum
B. Washing soda
C. Soda ash
D. Calcium carbide
Good quality of edible salt is obtained from brine by the process of__________________?
Good quality of edible salt is obtained from brine by the process of__________________?
A. Solar evaporation
B. Vacuum evaporation
C. Freeze drying
D. Electrolysis
______________ is produced by the dehydrogenation of ethyl benzene ?
______________ is produced by the dehydrogenation of ethyl benzene ?
A. Styrene
B. Ethyl alcohol
C. Cumene
D. Phenol
Catalytic oxidation-dehydrogenation of methyl alcohol produces__________________?
Catalytic oxidation-dehydrogenation of methyl alcohol produces__________________?
A. Formaldehyde
B. Phenol
C. Acetone
D. Maleic anhydride
A unit operation is exemplified by the process of ___________________?
A unit operation is exemplified by the process of ___________________?
A. Reduction
B. Desorption
C. Nitration
D. Combustion