Chemical Process
Fusel oil is a/an

Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses)
Essential oil
None of these
Extract from medicinal herbs

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Chemical Process
Wax is a

Mixture of esters of polyhydric alcohols excepting glycerine
Mixture of glycerides of fatty acids
Liquid at room temperature
Mixture of glycerides

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Chemical Process
Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop
All of these
Tar neutralises the residual acids present in pitch
Its calorific value is very less

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