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Chemical Process

Chemical Process
All enzymes are made of

Proteins
Fats
Carbohydrates
Amino acids

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Chemical Process
__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

Bi-carbonates
Sulphates
Phosphates
Chromates

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Chemical Process
Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

94
55
80
70

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Chemical Process
Very fine suspended and colloidal impurities are removed from water by a process called

Coagulation
Softening
Sedimentation
Disinfection

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Chemical Process
Esterification reaction produces

Detergent
Vanaspati
Soap
Mercaptans

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Chemical Process
The function of gypsum addition during cement making is to

Increase the density of cement
Neither A nor B
Decrease the cement setting rate
Both A and B

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