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9th Class Science Improvement in food resources Question Bank 9th CBSE Science Improvement in food resources

  • question_answer
      Govind wanted to test the adulteration of tuvar (arhar) dal. He washed a few grains of dal with water which turned yellow. He then added a few drops of HCI. The yellow water turned pink/magenta in colour. What does this show?

    Answer:

                      This showed   that the dal was adulterated with metanil yellow. (1)


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