7th Class Science Acids, Bases and Salts Question Bank Acids, Bases and Salts

  • question_answer 3) Which of the following substance present in turmeric changes its colour on reaction with base?

    A) Lichen                        

    B) Magnesia

    C) Curcumin       

    D) None of these

    Correct Answer: C

    Solution :

    The yellow substance in turmeric is called curcumin. The colour of curcumin changes to red when treated with a base.   

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