The pH scale measures the acidity or alkalinity of a substance, ranging from 0 to 14, with values below 7 representing acidity, above 7 representing alkalinity, and 7 representing neutrality.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American I remember learning about acids and bases (or ...

Acid/base indicators are described and used to identify substances as acids or bases. Indicators and the pH Scale: Acid/base indicators are described and used to identify substances as acids or bases.

Watch this video to see how a salt can be produced in the lab by neutralising sulfuric acid with a metal carbonate, in this case copper carbonate. Here are some ways neutralisation is used: Farmers ...

There’s a time for tongue-puckering lambics and Berliner Weisses, but most beer drinkers want something a little more balanced for day-to-day sipping. Thanks to the pH scale that Tuesday’s Google ...

Medically reviewed by Kierra Brown, RD Some foods have an alkalizing (acid-reducing) effect on the body, while others contribute to acid production.Eating more alkalizing foods, such as beans, berries ...

Most teas are mildly acidic. Acidity is determined by the pH scale. Neutral is around 7 and anything under a pH of 4 is considered very acidic. Some tests show that certain teas may be as low as 3. If ...