Chemical Process
Direct conversion of chemical energy into electrical energy is done in a

Fuel cell
Magnetohydrodynamic (MHD) generator
None of these
Fast breeder reactor

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Chemical Process
Reverse osmosis is normally used for the

Separation of helium from natural gas
Separation of isotopes of uranium from gaseous uranium hexaflouride
Desalination of brackish water to produce potable (drinking) water
Purification of oxygen

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