Chemical Process
Glycerine is not used in the

Conditioning and humidification of tobacco
Manufacture of pharmaceuticals
None of these
Manufacture of explosive

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Chemical Process
Zeolite is a/an

Naturally occuring clay which is capable of exchanging cations
None of these
Catalyst used in shift conversion
Abrasive material

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Chemical Process
Reverse osmosis is normally used for the

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

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