Asad Amir Grade 11 Biology

 Observations: The test tube with the lime water with O2 being pressed into it was kept the same where as the test tube with the lime water where we were blowing into with a straw turned cloudy after a period of time.
Once we put distilled water into the 25ml in beaker, we did the same thing with the pipette and straw and then used the PH indicator. The one with the straw turned yellow and the one that was airrated was green