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In chemistry, pH (/piːˈheɪtʃ/ or /piːˈeɪtʃ/; pee-AYCH) is a logarithmic scale used to specify the acidity or basicity of aqueous solutions. Acidic solutions (solutions with higher concentrations of hydrogen (.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| PH | is a | dimensionless quantity.p | 0.90 | text |
| PH | is a | dimensionless quantity. p | 0.90 | text |
| PH | is a | example of an acidity function | 0.90 | text |
| PH | is a | logarithmic scale | 0.90 | text |
| the silver chloride electrode | instance of | Primary pH standard values are determined using a concentration cell with transference by measuring the potential difference between a hydrogen electrode and a standard electrode | 0.80 | text |
| Na | instance of | because the electrode becomes sensitive to the concentration of cations | 0.80 | text |
| spinach | instance of | The alkalinity of vegetables | 0.80 | text |
| kale can also influence their texture | instance of | The alkalinity of vegetables | 0.80 | text |
| color during cooking | instance of | The alkalinity of vegetables | 0.80 | text |
| ApBqHr | instance of | With three or more reagents or when many complexes are formed with general formulae | 0.80 | text |
| the following general method can be used to calculate the pH of a solution | instance of | With three or more reagents or when many complexes are formed with general formulae | 0.80 | text |
| PH | has application | Pure | 0.60 | section |
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