Chemical Process
Pick out the wrong statement. Iodine value of an oil or fat is

Helpful in findings its adulteration & its suitability for making soap
Independent of the type of oil, whether it is drying or non-drying
A measure of its unsaturation
The number of grams of iodine taken up by 100 gm of oil or fat

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

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

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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
Before filtration, reduces the bacterial load on filters
Is to adjust the pH value
All of these

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