Chemical Process
Commercially ethylene is produced from naphtha by

Catalytic cracking
Hydrocracking
Catalytic dehydrogenation
Pyrolysis

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Chemical Process
Wax is a

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

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Chemical Process
Fluorescent dyes are added in detergents to

Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics
Act as tarnish inhibitor for metals like German silver
None of these
Attain distinctiveness from other brands

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