Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about ______________ °C ?

Related Mcqs:

Economics of ‘Solvay Process’ depends upon the efficiency of __________________?

A. Carbonating tower B. Ammonia recovery C. Ammonia recovery and size of the plant D. Ammoniation of salt solution...

Penicillin, an antibiotic drug was discovered by__________________?

A. Alexander B. Flaming C. Doctor Zhivago D. None of these...

Linde process of gas liquefaction employs__________________?

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

High purity nitrogen is used in__________________?

A. Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils B. Fire fighting purposes C. Both A. & B. D. Neither A. nor (B)...

Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?

A. SO3 B. Cl2 C. NH3 D. SO2...