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Definition of Neutral solution

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chemical solution which does not have acidic or basic properties
Neutral solution Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
In chemistry, pH is a numeric scale used to specify the acidity or basicity(alkalinity) of an aqueous solution. It is roughly the negative of the logarithm to base 10 of the concentration, measured in units of moles  per liter, of hydrogen ions or H+. More precisely it is the negative of the logarithm to base 10 of the activity of the  hydrogen ion. Solutions with a pH less than 7 are acidic and solutions with a pH greater than 7 are basic. Pure water is neutral, being neither an acid nor a base. Contrary to popular belief, the pH value can be less than 0 or greater than 14 for very strong acids and bases respectively.

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