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Question

The term pH comes from:

A
hydrogen purity
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B
pure Hydrogen
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C
hydrogen power
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D
purity of Hydrogen
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Solution

The correct option is B hydrogen power
pH scale is a measure of acidity or alkalinity of water soluble substances. It is the negative log of the activity of the hydrogen ion in an aqueous solution. Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline.

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