PROCESS 1
For process 1 of my experiment all 3 people had a pH of 7 after drinking water and then said that the orange juice tasted sweet and refreshing.
PROCESS 2
For process 2 of my experiment 2 out of the 3 people who testes on this had a pH of 8 after brushing their teeth thoroughly with toothpaste with a pH of 9. The other person had a pH of 9 but all 3 agreed that the orange juice had a sour, bitter taste to it even though it was the same orange juice as consumed before.
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