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Chemical Process

Chemical Process
Fat splitting catalyst is

CaCO₃
ZnO
Fe
Al2O₃

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Chemical Process
Shrinkage volume in cement setting does not depend upon the

Water to cement ratio
Sand to cement ratio
Drying period
Ambient temperature fluctuation

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Chemical Process
The most widely used coagulant for removing suspended impurities from water is

Calcium sulphate
Chlorine
Bleaching powder
Alum

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

Electrolytic reduction
None of these
Electrolysis
Electrolytic oxidation

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Chemical Process
Permanent hardness of water is due to the presence of calcium & magnesium

None of these
Sulphates & chlorides
Bi-carbonates
Carbonate

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Chemical Process
Nylon-6 as compared to Nylon-66 is having higher

Abrasion/resistance
Melting point
Hardness
None of these

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