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Chemical Process

Chemical Process
In the manufacture of viscose rayon, the raw material used industrially is

Fine teak wood
Recalyptious wood
Bamboo
Bagasse

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Chemical Process
Coke used for the production of calcium carbide should have

High electrical resistivity
Low ignition temperature
Low ash content
All of these

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Chemical Process
Silicon carbide is a/an

Type of glass
Abrasive
Adhesive
Brittle material

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Chemical Process
Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

25
98
10
50

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Chemical Process
Blue colour is imparted to glass by the addition of

FeSO₄
NaOH
CaO
PbO

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Chemical Process
Flexible foam (for mattresses) is usually made of

Polyurethanes
PVC
Polyamides
Silicone

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