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When soap is rubbed on the …

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When soap is rubbed on the stain of curry in white colour dress, it becomes reddish colour & again turns into yellow colour. Give reason. (2 marks)
  • 3 answers

Ankit1976 Mohit 5 years, 2 months ago

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Paru ? 5 years, 2 months ago

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Yogita Ingle 5 years, 2 months ago

  •  A stain of curry on white cloth becomes reddish brown when soap is rubbed because curry contain turmeric which is a natural indicator whereas soap is basic in nature. when turmeric react with soap it turn into reddish brown.
  •  When it is washed in water it turns yellow because when turmeric comes in contact with water which is neutral it becomes very dilute and reactions stops.
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