Carboxymethyl cellulose (CMC) is added in detergents to act as a/an___________________?
Correct answer: A. Anti soil redeposition agent
- A. Anti soil redeposition agent
- B. Builder
- C. Optical brightening agent
- D. Surfactant
Explanation
CMC forms a protective film on fabric and prevents loosened dirt from settling back onto it during washing. It is therefore an anti-soil-redeposition agent, not a surfactant or builder.
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