Acids, Bases, & the pH Scale Acidic or Basic? Measuring the pH. Bibliography. Email. Print ... The pH of a liquid or solution is often an important piece of information in science. Measuring pH can be done simply and quickly using pH test paper, pH indicator sticks, or a pH meter.
The meter may have either a digital or an analog (scale and deflected needle) readout. Digital readouts have the advantage of exactness, while analog readouts give better indications of rates of change. Battery-powered portable pH meters are widely used for field tests of the pH of soils.
The pH scale runs from 0 to 14, with 0 being extremely acidic, 7 being neutral and 14 being extremely alkaline. SUBSCRIBE to the Fuse School YouTube channel for many more educational videos.
The pH scale and neutralisation The pH runs from 0 (strongly acidic) through 7 (neutral) to 14 (strongly alkaline). Salts are made when acids and bases react together.
Science >> Chemistry for Kids Acids and bases are two special kinds of chemicals. Almost all liquids are either acids or bases to some degree. Whether a liquid is an acid or base depends on the type of ions in it. If it has a lot of hydrogen ions, then it is an acid. If it has a lot of hydroxide ions, then it is a base. pH Scale
Define pH scale. pH scale synonyms, pH scale pronunciation, pH scale translation, English dictionary definition of pH scale. A 1 to 14 scale that measures alkalinity or acidity: pH7 is neutral, below 7 is acid and above 7 is alkaline. Noun 1. pH scale - the logarithm of the...
This is an example of the PH scale. It has an example of a substance that has the PH indicated. The PH scale can be represented horizontally or vertically. To know the PH of a substance, you need an indicator. Some examples of indicators are: Universal Indicator, Blue Litmus Paper and Red Litmus Paper.
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Here is the definition of pH in chemistry, with examples of acidic and alkaline values of common household products and lab chemicals. ... Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. ... has a slightly ...