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Enzymes and pH
2. What is the pH scale?

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How acidic or basic/alkalized a substance is
User Lalit
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It is a measure of how acidic/basic a liquid is. The range goes from 0-14, with 7 being neutral. pHs less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.
User Omer Khalid
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