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Chemical Process

Chemical Process
Fish contains about __________ percent oil.

10
35
20
5

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Chemical Process
Alum is commercially produced from

Feldspar
Galena
Bauxite
Gypsum

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Chemical Process
Carboxymethyl cellulose (CMC) is added in detergents to

Prevent redeposition of soil on cleaned surface
Inhibit corrosion in washing machines made of aluminium
Act as optical brightening agent
None of these

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Chemical Process
Coal tar is used as a

All of these
Binder in making carbon electrodes
Binding material for coal briquettes
Fuel in rotary kiln

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Chemical Process
__________ of rubber decreases after its vulcanisation.

Tackiness
Resistance to the action of organic solvent
Maximum service temperature
Tensile strength

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Chemical Process
Main product in calcium carbide-water reaction is

C₂H₂
CO₂
Ca(OH)₂
CaCO₃

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