Chemical Process
Tall oil obtained as a by-product from the black liquor recovery is

Composed mainly of rosin & fatty acids
All of these
Used in the manufacture of greases, emulsions & soaps
A black, sticky & viscous liquid

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Chemical Process
Fluorescent dyes are added in detergents to

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

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