Catalyst used in the hydrogenation of oil is_________________?
Catalyst used in the hydrogenation of oil is_________________?
A. Nickel
B. Platinum
C. Iron
D. Alumina
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The combustion reaction, C + O2 = CO2, is__________________?
The combustion reaction, C + O2 = CO2, is__________________?A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of theseThe metallic aluminium is obtained from pure alumina in the presence of fused cryolite by_________________?
The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by_________________?A. Electrolysis
B. Electrolytic reduction
C. Electrolytic oxidation
D. None of theseH2S is scrubbed from refinery gases by absorption using
Question: H2S is scrubbed from refinery gases by absorption using
[A].dilute H2SO4 [B].
ethanol amine [C].
chilled water [D].
tri-butyl phosphate Answer: Option B
Explanation:
No answer description available for this question.
Permanent hardness of water is due to the presence of calcium & magnesium
Question: Permanent hardness of water is due to the presence of calcium & magnesium
[A].bi-carbonates [B].
sulphates & chlorides [C].
carbonate [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.
The drug used in contraceptives is____________________?
The drug used in contraceptives is____________________?A. Sulfadiazine
B. Mestranol
C. Methyl salicylate
D. PenicillinEsterification reaction produces
Question: Esterification reaction produces
[A].detergent [B].
vanaspati [C].
soap [D].
mercaptans Answer: Option C
Explanation:
No answer description available for this question.