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NEETChemistryHydrogen

What reaction causes the formation of scum/precipitate when soap reacts with hard water?

Options

  1. AHydrolysis reaction
  2. BOxidation reaction
  3. CReduction reaction
  4. DPrecipitation reaction

Correct answer

D. Precipitation reaction

Step-by-step solution

When soap reacts with hard water, it forms scum/precipitate through a precipitation reaction, resulting in the formation of insoluble calcium or magnesium stearate.

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