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