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 ...
In order to deal with these large numbers more easily, scientists use a logarithmic
scale, the pH scale. Each one-unit change in the pH scale corresponds to a ...
Test the pH of things like coffee, spit, and soap to determine whether each is
acidic, basic, or neutral. Visualize the relative number of hydroxide ions and ...
Jul 9, 2015 ... The pH scale is something we're all familiar with; most people will remember it
from school chemistry lessons. It's the scale used to rank how ...
pH and the pH Scale. pH WWW - means "potential hydrogen". pH is a measure of
the [ H3O<sup>+</sup> ] in solution. The brackets, [ ], represent concentration in moles per ...
Scientists have come up with the pH scale for determining the concentration of
acid in a solution so we can distinguish between solutions with varying acidity.
Definition of pH scale: A measure of acidity or alkalinity of water soluble
substances (pH stands for 'potential of Hydrogen'). A pH value is a number from 1
to 14, ...
The pH scale. It is possible to tell if a solution is acidic or alkaline by using an
indicator. An indicator is a substance which has different colours when it is in
Learn about the pH scale and how neutralisation happens with BBC Bitesize KS3
Feb 13, 2015 ... This pHriday we will be expanding on this topic by introducing the scale
commonly used to represent hydrogen ion activity, the pH scale.