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Chemical Process

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

None of these
Nitrile-butadiene
Neoprene
Polyisoperene

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Chemical Process
Process conditions in fermentator used for production of penicillin is

25°C, 2 atm
30°C, 200 mm Hg (absolute)
50°C, l0 atm
90°C, 45 atm

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Chemical Process
The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

None of these
Electrolysis
Electrolytic oxidation
Electrolytic reduction

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Chemical Process
The type of high refractive index glass used in optical instruments is __________ glass.

Flint
Pyrex
Crookes
None of these

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Chemical Process
Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.

-53
-103
-196
-183

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Chemical Process
Economics of 'Solvay Process' depends upon the efficiency of

Carbonating tower
Ammonia recovery and size of the plant
Ammoniation of salt solution
Ammonia recovery

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