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Chemical Process

Chemical Process
A unit operation is exemplified by the process of

Combustion
Nitration
Reduction
Desorption

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Chemical Process
Basic oxide is absent in __________ glass.

Quartz
All of these
Flint
Pyrex

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Chemical Process
Glauber's salt is chemically

None of these
Potassium chlorate
Potassium sulphate
Calcium sulphate

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Chemical Process
Which one of the following is not an elastomer?

Nitrile-butadiene
None of these
Neoprene
Polyisoperene

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Chemical Process
Hydrogenation of oil/fat does not

Improve its resistance to rancid oxidation
Remove double bonds
None of these
Raise its melting point

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

-196
-83
-183
-218

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