Question: Neoprene is the trade name of
[A].polyurathane
phenol formaldehyde
polychloroprene
styrene-butadiene rubber
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Chemical Engineering
Maleic anhydride is produced by catalytic oxidation of
Question: Maleic anhydride is produced by catalytic oxidation of
[A].toluene
ethyl alcohol
naphthalene
benzene
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
Question: The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
[A].alumina
silica gel
platinum
nickel
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Main product in calcium carbide-water reaction is
Question: Main product in calcium carbide-water reaction is
[A].Ca(OH)2
C2H2
CO2
CaCO3
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Oleum produces fumes of
Question: Oleum produces fumes of
[A].SO2
H2SO4
SO3
SO2 + H2SO4
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
Question: Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
[A].SO3
Cl2
NH3
SO2
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Adipic acid is an intermediate in the manufacture of
Question: Adipic acid is an intermediate in the manufacture of
[A].perspex
nylon-66
polystyrene
bakelite
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Molecular weight of plastics ranges from
Question: Molecular weight of plastics ranges from
[A].5000 to 10000
20000 to 250000
500 to 5000
106 to l09
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Main constituents of natural rubber is
Question: Main constituents of natural rubber is
[A].polystyrene
polyisoprene
polybutadiene
polychloroprene
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Blue vitriol is chemically
Question: Blue vitriol is chemically
[A].copper sulphate
ferrous sulphate
copper nitrate
aluminium sulphate
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.