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CHEMICAL PROCESS

Chemical Process
In the Lurgi coal gasifier

Low carbon conversion efficiency is achieved
Large quantity of coal can be processed
Entrainment of solids is higher
Coking coals cannot be used

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Chemical Process
Use of chlorine in the treatment of sewage

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

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Chemical Process
Bleaching of paper pulp is done with

Chlorine or chlorine dioxide
Bromine
Magnesium sulphite
Activated clay

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Chemical Process
__________ is produced using polycondensation reaction.

Phenol formaldehyde
None of these
Polythene
Poly vinyl chloride

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Chemical Process
Flux addition during smelting of ore is done to

Enhance rate of reaction
Accelerate reduction of ore
Separate slag from metal
Remove impurities/gangue

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