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The pH level. 7 is neutral. Below 7 is acidic and above 7 is basic. 1 being most acidic and 14 being most basic.

2006-11-08 12:03:09 · answer #1 · answered by Aidge 3 · 0 1

The presence of the basic components of an acid or base. Acids' formulas begin with H+ (such as HCl), while bases end with OH-, like NaOH-.

2006-11-08 12:08:20 · answer #2 · answered by Anonymous · 0 0

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