Chemical Process
Pick out the wrong statement pertaining to the soap manufacture.

Colourless rosin is used in the manufacture of laundary soaps
Both laundary as well as toilet soaps are manufactured by hot process
Organic pigments are used as colouring materials in the soap manufacture
Transparent soaps are made by cold process

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Chemical Process
Use of hydrated lime in water treatment

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

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