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Chemical Process

Chemical Process
Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

-83
-183
-196
-218

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Chemical Process
Stereospecific agents are exemplified by

All of these
Radiation
Ziegler catalysts
Supported metal oxide catalysts

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Chemical Process
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?

Al2O₃
AgO
FE₂O₃
ZnCl₂

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Chemical Process
Phosphoric acid is prepared from

Chalcopyrite
Cryolite
Rock phosphate
None of these

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Chemical Process
Sodium chloride content in sea water is about __________ gms/litre.

50
10
2
25

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Chemical Process
Lurgi coal gasifier is a pressurised __________ bed reactor.

Fixed
Moving
Fluidised
Entrained

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