ACIDS & bases. 9 Sci – Term 4. What is an Acid?. Definition: An acid is a compound that contains hydrogen ions (H + ) H + Hydrogen Ion is essentially a proton Acid’s give protons (H + hydrogen ions). Characteristics of Acids. Acids are characterised by: Sour taste
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
ACIDS & bases
9 Sci – Term 4
Definition: An acid is a compound that contains hydrogen ions (H+)
Acids are characterised by:
If chemicals have properties of an acid, they are said to be acidic.
Definition: A base is a compound that contains a Hydroxide Ion (OH-).
Bases are characterised by:
Bases which are soluble in water are called Alkali’s.
A basic solution is referred to as being alkaline.
Litmus is made from lichen (fungus and algae/bacteria). It is a natural indicator which changes colour in the presence of acids and bases.