Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

There are 20 amino acids that make up proteins and all have the same basic structure, differing only in the R-group or side chain they have. Amino acids are in an equilibrium between two acids with ...

Acids and alkalis are common in daily life. They are found in the home, in our bodies, in industry, car batteries and school science labs. One of the jobs of a chemist is to tell the difference ...