Definition: pH (potential of hydrogen) is a scale of acidity from 0 to 14 with 7 being neutral.
pH Explained
All solutions have a pH. Acid solutions, have lower pH. Alkaline solutions, have higher pH. Substances that aren't acidic or alkaline 9 that is, neutral solutions 0 usually have a pH of 7. Acids have a pH that is less than 7. Alkalis have a pH that is greater than 7
The pH scale
Acidic
Battery - 0
Stomach acid- 1
Lemon - 2
Vinegar - 3
Tomato - 4
Coffee - 5
Milk - 6
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In the middle
Water - 7
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Alkaline
Blood - 8
Baking soda - 9
Stomach tablets - 10
Ammonia solution - 11
Soap - 12
Bleach - 13
Drain cleaner - 14
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