Chemical Process
Which of the following is not produced on commercial scale from sea water?

Sodium sulphate
Bromine
Potassium compounds
Magnesium compounds

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Chemical Process
Linde process of gas liquefaction employs

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

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