Chemical Process
Unsaturated oils compared to saturated oils have

Lower melting point & higher reactivity to oxygen
Higher melting point & higher reactivity to oxygen
Lower melting point & lower reactivity to oxygen
Higher melting point & lower reactivity to oxygen

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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
None of these
Act as tarnish inhibitor for metals like German silver
Attain distinctiveness from other brands

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Chemical Process
Viscose rayon

Utilises H₂SO₄, NaOH and CS₂ during its manufacture
Cannot yield textile grade fibre
None of these
Cannot be made from sulphite pulp

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