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
Attain distinctiveness from other brands
Act as tarnish inhibitor for metals like German silver

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Chemical Process
Use of hydrated lime in water treatment

After filtration, combats the corrosive-ness of water due to the presence of O₂ & CO₂
All of these
Is to adjust the pH value
Before filtration, reduces the bacterial load on filters

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