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What is the use of trisodium phosphate in soap powders?

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in Chemistry – Class 12 by (188k points)
What is the use of trisodium phosphate in soap powders?

(a) To make the soap act rapidly

(b) To make it lather

(c) To prevent rapid drying

(d) For good odour

I got this question in an international level competition.

My question comes from Cleansing Agents in portion Chemistry in Everyday Life of Chemistry – Class 12

1 Answer

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Correct answer is (a) To make the soap act rapidly

Explanation: Sodium carbonate and trisodium phosphate acts a builders or building agents in powder soaps. These make the soap act more rapidly.

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