pH Levels
Definition: pH (Potential of hydrogen) is a scale of acidity from 0 - 14 with 7 being neutral.
pH Explained
All solutions have pH. Acid solutions, have lower pH. Alkaline solutions, have bigger pH. Substances that aren't acid or alkaline (that is, neutral solutions) usually have a pH of 7. Acids have a pH that is less than 7. Alkalies have a pH that is greater than 7.
1. battery = 0
2. stomach acid = 1
3. lemon = 2
4. vinegar = 3
5. tomato = 4
6. coffee = 5
7. milk = 6
water = 7
1. blood = 8
2. baking soda = 9
3. stomach tablets = 10
4. ammonia solution = 11
5. soap = 12
6. bleach = 13
7. drain cleane =14
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