Question: __________ is produced using polycondensation reaction.
[A].Polythene
Phenol formaldehyde
Poly vinyl chloride
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Chemical Process
In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the
Question: In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the
[A].diamine and the ring.
dibasic acid and the ring.
diamine and the dibasic acid.
none of these.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Claude process of gas liquefaction employs
Question: Claude process of gas liquefaction employs
[A].merely compression of gas beyond its critical pressure.
Joule-Thomson expansion cooling.
heat exchange with colder stream.
adiabatic expansion against a piston or in a turbine.
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Linde process of gas liquefaction employs
Question: Linde process of gas liquefaction employs
[A].exchange of heat with colder stream.
adiabatic expansion through a throttle valve (Joule-Thomson expansion).
adiabatic expansion against a piston or in a turbine.
merely compressing the gas beyond its critical pressure.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Hydrogenation of oil/fat does not
Question: Hydrogenation of oil/fat does not
[A].improve its resistance to rancid oxidation.
raise its melting point.
remove double bonds.
none of these.
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
Question: Carboxymethyl cellulose (CMC) is added in detergents to act as a/an
[A].surfactant
builder
optical brightening agent
anti soil redeposition agent
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
__________ are added in lacquers to remove film brittleness and to improve adhereness.
Question: __________ are added in lacquers to remove film brittleness and to improve adhereness.
[A].Film forming materials
Plasticisers
Diluents
Solvents
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Calcination of limestone is not done in a __________ kiln for producing lime.
Question: Calcination of limestone is not done in a __________ kiln for producing lime.
[A].vertical shaft
rotary
fluidised bed
fixed bed
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Liquefaction of gases can not be done by
Question: Liquefaction of gases can not be done by
[A].exchange of heat with colder stream.
adiabatic expansion through a throttle valve (Joule-Thomson expansion).
merely compressing it beyond critical pressure.
adiabatic expansion against a piston or in a turbine.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Average sulphur content in Indian pyrites is about __________ percent.
Question: Average sulphur content in Indian pyrites is about __________ percent.
[A].15
35
55
70
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.