Measuring pH of water samples (Spain)



    Were carry out experiment in order to pH of several water samples.



     1.We throw out as different two drops of water in the tray.

     2.You have to submerge the paper colour in the tray for discover their pH and then check you colour with table the reference.


    Tap water: pH =7

    Water treatment: pH=7

    Water with vinegar: pH=3

    Water with amonium: pH=11

    Mineral water: pH=7

    Destilled water: pH=6