What is an acid? An acid is a chemical substance whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red, and the ability to react with bases and certain metals to form salts. Aqueous solutions of acids have a pH of less than 7.
Sources: http://www.factmonster.com/cig/chemistry/properties-acids-bases.html: http://www.ducksters.com/science/acids_and_bases.php
Characteristics of acid: When dissolves in water it gives a solution with a hydrogen ion activity greater than pure water.
Links for facts about acid: http://www.factmonster.com/cig/chemistry/properties-acids-bases.html: http://www.ducksters.com/science/acids_and_bases.php
Examples of Acids:
Nitric Acid - HNO3
Nitrous Acid - HNO2
Hypochloruous Acid - HClO
Chlorous Acid - HClO2
Chloric Acid - HClO3
Perchloric Acid - HClO4
Sulfuric Acid - H2SO4
Sulfurous Acid - H2SO3
Phosphoric Acid - H3PO4
Phosphorous Acid - H3PO3
Carbonic Acid - H2CO3
Acetic Acid - HC2H3O2
Oxalic Acid - H2C2O4
Boric Acid - H3BO3
Silicic Acid - H2SiO3 &
Citric Acid
Nitric Acid - HNO3
Nitrous Acid - HNO2
Hypochloruous Acid - HClO
Chlorous Acid - HClO2
Chloric Acid - HClO3
Perchloric Acid - HClO4
Sulfuric Acid - H2SO4
Sulfurous Acid - H2SO3
Phosphoric Acid - H3PO4
Phosphorous Acid - H3PO3
Carbonic Acid - H2CO3
Acetic Acid - HC2H3O2
Oxalic Acid - H2C2O4
Boric Acid - H3BO3
Silicic Acid - H2SiO3 &
Citric Acid