base

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Introduction References & Edit History Related Topics

Images & Videos

alkaline testing

Understanding acids, bases, and the pH scale

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American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

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Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

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The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)

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Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

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base: Media

chemical compound

Videos

Understanding acids, bases, and the pH scale

Understanding acids, bases, and the pH scale

The fundamentals of acids and bases and how the pH scale is used to measure them.

Video: © American Chemical Society (A Britannica Publishing Partner)

Images

alkaline testing

alkaline testing

Indicator paper is used to determine the pH of a liquid. The paper will turn blue...

© Sabine Kappel/Shutterstock.com

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