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Question
What type of detergent are used in toothpastes?
Solution
Anionic detergents are used in toothpaste.
Anionic detergents are sodium salts of sulphonated long-chain alcohols or hydrocarbons. In anionic detergents, the anionic part of the molecule is involved in the cleansing action. Sodium salts of alkyl benzene sulphonates are an important class of anionic detergents.
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