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10th Class General Knowledge Science and Technology Question Bank Science and Technology

  • question_answer
    pH is a measure of the concentration of hydrogen ions in a solution. The lower the pH, the higher the concentration of hydrogen ions, and the more acidic a solution is. Alkaline or basic solutions have lower concentrations of hydrogen ions, and a pH above 7. Which of the following substances has the highest pH value?

    A)  Pineapple juice

    B)         Caustic soda

    C)         Wine               

    D)         Blood              

    Correct Answer: B

    Solution :

    Not Available  


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