In chemistry, the pH is the measure of basicality or acidity a substance has. Some people use the pH scale to determine how acidic or basic the substance is. It ranges from 0-14. A pH greater than 7 is considered a base. An example of a base is egg whites, which is why there is a picture of an egg white below. Some common qualities of a base would be that they sometimes will have a slippery feel to them, and they are bitter.
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