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Chemical Process

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
-183
-196
-103

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Chemical Process
__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Sodium bi-carbonate
Sodium carbonate
Ammonium chloride
Chlorine

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Chemical Process
Phenolic antiseptics are added in the __________ soap.

Metallic
Shaving
Transparent
Medicated

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Chemical Process
Nitrile rubber is produced by the polymerisation of

None of these
Acrylonitrile and butadiene
Acrylonitrile and styrene
Isobutylene and isoprene

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Chemical Process
Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

Carbohydrate
Callagen
Tannin
Molasses

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Chemical Process
Reaction of calcium carbide with water produces a gas, which is used

For metal cutting/welding
Both A & B
Neither A nor B
As an illuminant

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