pH
Plural
pH levels
1
a quantitive mesasure used for determining how acidic or alkanic something is on a scale of 0 to 14
- Lemon juice has a pH of 2, making it highly acidic.
- Pure water is neutral with a pH of 7.
- Soil with a pH below 5.5 may need lime to reduce acidity.
- The pool's pH must stay between 7.2 and 7.6 to prevent eye irritation.
- Bleach's pH of 12 makes it a strong base.
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