Soap powders and scouring soap contains builiders like

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Trisodium phosphate

Finely divided sand

Powdered pumice

All of these

answer is A.

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Detailed Solution

Soap powders and scouring soap contain builders like Trisodium phosphate.
Builders are chemical compounds that are added to soap powders and scouring soaps to enhance their cleaning effectiveness by counteracting the effects of hard water, improving the solubility of the soap, and helping to emulsify and suspend soils.
Trisodium phosphate (TSP) is a common builder used in laundry detergents and scouring soaps because it is effective at softening water and enhancing the cleaning power of soap.
Option b) Finely divided sand and option c) Powdered pumice are not typically used as builders in soap powders and scouring soaps.
Instead, they are added as abrasives to help mechanically remove soils and stains from surfaces during scrubbing.

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