Question

Presence of sodium tripolyphosphate (an additive) in synthetic detergent

a.

facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions).

b.

inhibits its corrosive effects.

c.

does not allow redeposition of dirt on the cleaned surface.

d.

none of these.

Posted under Basic Chemical Engineering

Answer: (a).facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions).

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