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Chemical Process

Chemical Process
The biochemical treatment applied to sewage effluents is a process of

Dehydration
Oxidation
Reduction
Polymerisation

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Chemical Process
Use of chlorine in the treatment of sewage

Aids in flocculation
Increases the biological oxygen demand(BOD)
Causes bulking of activated sludge
Helps in grease separation

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Chemical Process
Conversion of CO to CO₂ by steam in presence of a catalyst is called

Steam reforming
None of these
Shift conversion
Steam gasification

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Chemical Process
Sucrose content in cane sugar may be around __________ percent.

80
50
70
95

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Chemical Process
Main constituent of limestone is

MgCO₃
CaSO₄
CaCO₃
Na₂CO₃

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Chemical Process
The difference between saponification value and acid value is

Always negative
Constant for all fatty oils
Called ester value
None of these

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