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it is organized by from acidic or basic. The scale goes from 0 to 14. 7 is neutral, and the lower the number, the more acidic.

0-6.9= acidic

7= neutral

7.1-14= basic

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12y ago
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11y ago

pH scale shows the acidity form. It is neutral at poin of 6. Above it it is alkaline, below it it is acid.

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Q: What is a pH scale and how is it arranged?
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