Which of the following is used as a binding material in soap to improve soap texture ?

Question: Liquefaction of gases can not be done by
[A].

exchange of heat with colder stream.

[B].

adiabatic expansion through a throttle valve (Joule-Thomson expansion).

[C].

merely compressing it beyond critical pressure.

[D].

adiabatic expansion against a piston or in a turbine.

Answer: Option C

Explanation:

No answer description available for this question.

Question: __________ is produced using polycondensation reaction.
[A].

Polythene

[B].

Phenol formaldehyde

[C].

Poly vinyl chloride

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Heating of __________ to 120°C, produces plaster of paris.
[A].

blue vitriol

[B].

gypsum

[C].

calcium silicate

[D].

calcium sulphate

Answer: Option B

Explanation:

No answer description available for this question.