Chemical Process
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

Surfactant
Builder
Anti soil redeposition agent
Optical brightening agent

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Chemical Process
Reverse osmosis is normally used for the

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

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