Several theories have been developed to explain the behaviour of acids and bases. The most notable theories include the Arrhenius concept, the Brønsted-Lowry theory, and the Lewis concept. In the ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Acid is a water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt. A corrosive liquid with a pH less than 7; a solution of in water of a ...

These indicators allow you to easily work out if a substance is an acid close acidCorrosive substance which has a pH lower than 7. Acidity is caused by a high concentration of hydrogen ions. or an ...