Question: Nylon-6 as compared to Nylon-66 is having higher
[A].hardness
abrasion/resistance
melting point
none of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Chemical Engineering
Bakelite is
Question: Bakelite is
[A].same as poly tetrafluoroethylene (PTFE).
an inorganic polymer.
same as thermosetting phenol-formaldehyde.
not a polymer.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Flexible foam (for mattresses) is usually made of
Question: Flexible foam (for mattresses) is usually made of
[A].PVC
silicone
polyurethanes
polyamides
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
Question: The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
[A].dilute H2SO4
oleum
ultraviolet light
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
DDT should not be allowed to come in contact with iron (during its manufacture) to
Question: DDT should not be allowed to come in contact with iron (during its manufacture) to
[A].avoid its decomposition.
prevent sulphonation of the monochlorobenzene by the acid catalyst.
achieve non-hygroscopic property.
none of these.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Lindane is
Question: Lindane is
[A].not a fumigant.
BHC (Benzene Hexa Chloride) containing 99% γ-isomer.
a by-product of BHC manufacture.
both(b) and (c).
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Chloral is used in the manufacture of
Question: Chloral is used in the manufacture of
[A].DDT
BHC
parathion
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Penicillin is separated from fermented broth by
Question: Penicillin is separated from fermented broth by
[A].extraction with amyl or butyl acetate.
ternery azeotropic distillation.
evaporation in calendria.
extractive distillation.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Fermentator temperature during production of alcohol from molasses is around __________ °C.
Question: Fermentator temperature during production of alcohol from molasses is around __________ °C.
[A].5
30
150
300
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Alcohol percentage in molasses may be around
Question: Alcohol percentage in molasses may be around
[A].10
40
70
85
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.