Vanillin is a type of____________________?
Vanillin is a type of____________________?
A. Anti-pyretic drug
B. Food preservative
C. Flavour
D. Dye
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Catalyst used in the oxidation of benzene to produce maleic anhydride is
Question: Catalyst used in the oxidation of benzene to produce maleic anhydride is
[A].V2O5 [B].
Pt [C].
Ni [D].
Cr Answer: Option A
Explanation:
No answer description available for this question.
The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _____________________?
The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _____________________?A. Alumina
B. Silica gel
C. Platinum
D. NickelThe 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 theseNeoprene is a__________________?
Neoprene is a__________________?A. Monomer
B. Synthetic rubber
C. Polyester
D. None of theseEnzymes are_________________?
Enzymes are_________________?A. Proteins with high molecular weight (around 10,000)
B. Derived from living organisms
C. Catalyst for temperature sensitive reactions
D. All A, B. and C.Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
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