1. Sodium stearate
  2. Sodium salt of benzene sulphonic acid
  3. Sodium salt of benzene carboxylic acid
  4. Sodium palmitate
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Option 2 : Sodium salt of benzene sulphonic acid

Synthetic detergents are less sensitive to the effects of calcium and magnesium ions in hard water. A number of additives are used to enhance the cleaning ability of detergents. Sodium salt of benzene sulphonic acid is one of them.
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