Greenville, CA Weather. The average temperature of Greenville is 47.37Â°F, which is much lower than the California average temperature of 61.17Â°F and is much lower than the national average temperature of 54.45Â°F.
(General) 1  An acid solution is one which contains hydrogen ions H+(aq). 2  An alkaline solution is one which contains hydroxide ions OH-(aq). 3  The concentration of ions in pure water is small.  In water and in neutral solutions the concentration of H+(aq) and OH-(aq) is the same.
Ionic compounds without the acidic hydrogen ion (H +), or the basic ions hydroxide (OH â) or oxide (O 2â), are also known as salts and can be formed by acid-base reactions.Ionic compounds containing hydrogen ions are classified as acids and compounds containing hydroxide or oxide ions are classified as bases.onic compounds without the acidic hydrogen ion (H +), or the basic ions hydroxide (OH â) or oxide (O 2â), are also known as salts and can be formed by acid-base reactions.