Chemical Process
Hydrogenation of oil/fat does not

Remove double bonds
None of these
Raise its melting point
Improve its resistance to rancid oxidation

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Chemical Process
Liquefaction of gases can not be done by

Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Adiabatic expansion against a piston or in a turbine
Exchange of heat with colder stream
Merely compressing it beyond critical pressure

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Chemical Process
Shaving soaps are

Metalic soaps compounded with frothing agents
High free alkali soaps having excess of cane sugar and alcohol
Soft potassium soaps (potassium salt of fatty acid) with free stearic acid to give lather a lasting property
None of these

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