Chemical Process
Presence of sodium tripolyphosphate (an additive) in synthetic detergent

Does not allow redeposition of dirt on the cleaned surface
Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
Inhibits its corrosive effects
None of these

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Use of hydrated lime in water treatment

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

ANSWER DOWNLOAD EXAMIANS APP