Chemical Process
Pick out the wrong statement. Iodine value of an oil or fat is

Helpful in findings its adulteration & its suitability for making soap
Independent of the type of oil, whether it is drying or non-drying
A measure of its unsaturation
The number of grams of iodine taken up by 100 gm of oil or fat

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Chemical Process
Liquefaction of gases can not be done by

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

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