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Compounds in Chemistry: pH scale

Grade Levels: 3 - 12
Length: 00:00:06
Website: http://www.uen.org/emedia
Usage rights: Download and retain personal copies in perpetuity.

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A pH scale is used to measure the pH of a substance. Ranging from 1-14, 7 represents a neutral point. Anything below 7 is considered an acid and anything above 7 is considered a base.

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