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

  • question_answer
      State the pH of distilled water and rain water. Justify your answer with proper reasoning.

    Answer:

                      pH of distilled water is 7.   In distilled water there is no dissolved mineral. But in rain water pH is slightly lesser than 7, because it become acidic due to the presence of dissolved and molecules that were present in the atmosphere.                   (2)


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