Chemical Process
One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Remove the coloring matter from the syrup
Adjust the pH of the syrup
Improve the rate of crystallisation of sugar
Reduce the viscosity of the syrup

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

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

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