Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale goes from 0 to 14 with pH 7 as the neutral point. As the amount of hydrogen ions in the soil increases the ...

‘The pH scale goes from zero up to fourteen, with pH seven being the neutral point.’ Steve Chilton, garden expert at LeisureBench, continues to explain why it’s important to know your soil ...

A pH level is a number that measures how acidic or alkaline a substance is on an approximate scale of 0 to 14. For example, something with a pH of 1 would be very acidic, and something with a pH ...

If universal indicator is added to a solution it changes to a colour that shows the pH of the solution. Universal indicator is a mixture of a variety of other indicators and can be used to measure ...

The “pH” stands for “potential of hydrogen.” In pool water, it measures the acidity on a scale from 0 to 14. There’s ...

Bananas are alkaline, not acidic, which means they may neutralize stomach acid to help with heartburn. Learn about acidic ...

The pH scale shows how acidic a substance is. Learn what pH means and how it is measured in this KS3 chemistry guide from BBC Bitesize. Neutralisation reactions Acids and alkalis react together in ...