10th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank 10th CBSE Science Acids, Bases and Salts

  • question_answer
      An aqueous solution turns red litmus solution blue. Excess addition of which solution would reverse the change?

    Answer:

                      The given solution is alkaline as it changes red litmus blue. When acid is added to the given alkaline solution, first it neutralises the base and further addition of acid makes the solution acidic that turns blue litmus red.    (2)


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