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

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

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Chemical Process
Linde process of gas liquefaction employs

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 the gas beyond its critical pressure

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