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

  • question_answer 4) From which of the following is the natural indicator litmus extracted?

    A)  Mycorrhiza       

    B)  Lichens               

    C)         Mucor                 

    D)         Mycelia                              

    Correct Answer: B

    Solution :

    The natural indicator litmus is extracted from lichens.

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