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CHEMICAL PROCESS

Chemical Process
Rancidity of the fatty oil can be reduced by its

Purification
Oxidation
Decoloration
Hydrogenation

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Chemical Process
The main product of high temperature carbonisation of coal is

Phenol
Coke
Tar
Ammonia

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Chemical Process
Presence of H₂S in raw water (to be chlorinated) results in the

Reduced softening capacity of zeolite
Easy removal of its hardness
None of these
Increased dosage of chlorine to provide a disinfecting residual in the water

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Chemical Process
Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of

Carbon
Sulphur
Arsenic
Lead

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Chemical Process
The temperature in the calcium carbide furnace is __________ °C.

700-850
2000-2200
4000-4500
200-300

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