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Chemical Process

Chemical Process
In premitive days, __________ was being manufactured by Leblanc Process.

Washing soda
Soda ash
Alum
Calcium carbide

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Chemical Process
Average sulphur content in Indian pyrites is about __________ percent.

55
15
35
70

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Chemical Process
Electrodeposition of metals i.e. electroplating is never done on

Non-metals
Refractories
Alloys
Metals

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Chemical Process
The catalyst used in the manufacture of DDT is

Silica
Alumina
20% oleum
Aluminium chloride

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Chemical Process
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to

Remove unexposed silver halide
Convert silver chloride to silver
Remove metallic silver
Brighten the faint images

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Chemical Process
The most reactive allotropic form of phosphorus is __________ phosphorus.

Yellow
Red
Violet
Black

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