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.

Beer wasn’t always so consistant. Even the same producer’s brews could be wildly different in quality (Getty/iStock) Do you remember any chemistry from your schooldays? Dipping litmus paper into a ...

However, water comes from different sources, like tap water or river water. These water samples have other substances dissolved in them. They might show up as slightly acidic or slightly alkaline ...

How well do you remember the pH scale from chemistry class? Today’s Google Doodle presents a small interactive to jog your memory, and more importantly, celebrate Søren Peder Lauritz Sørensen, the ...

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 ...

The Danish chemist was the head of Carlsberg Laboratory at the time of the scale's creation, and died in 1939 at 71 years old. Jennifer Bisset was a senior editor for CNET. She covered film and TV ...

Taking back to the chemistry lessons from school, the search giant today comprises a simple animated game as its doodle. Google dedicated its doodle on Tuesday to biochemist Søren Peder Lauritz ...

Google celebrated the life of Søren Peder Lauritz (S.P.L.) Sørensen on Tuesday with an interactive homepage doodle that pays tribute to the Danish chemist. While Sørensen was working as the chemical ...

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.

Google today honours Danish biochemist Soren Peder Lauritz Sorensen for his revolutionary work in introducing to the scientific community, the concept of the pH scale. The pH scale is a concept that ...

The Danish scientist's revolutionary test of acidity and alkalinity is still used today THE distinguished chemist is little known outside of his native Denmark. Here’s what we know about the enigmatic ...

The 1970’s was the decade that illuminated the threat of acid rain to the citizens of the US. It had been known to exist several years before, but the sources of the problem did their best to suppress ...