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Which of the following enhances the lathering property of soap? (1) Sodium stearate (2) Sodium carbonate (3) Sodium rosinate (4) Trisodium phosphate

1. Sodium stearate
2. Sodium carbonate
3. Sodium rosinate
4. Trisodium phosphate

Correct answer: Sodium carbonate

Solution

Sodium carbonate acts as a water softener, which helps to enhance the lathering properties of soap by reducing the hardness of water, allowing the soap to create more bubbles and foam.

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