What is acids ? And what is its characteristics?
Answer»
An ACID is a chemical SUBSTANCE, usually a liquid, which contains hydrogen and can react with other substances to form salts. Some acids burn or dissolve other substances that they come into contact with.
Aqueous solutions of acids are electrolytes, MEANING that they conduct an electrical current. ...
Acids have a sour taste. ...
A Acids change the COLOR of certain acid-base indicators. ...
Acids react with active metals to yield hydrogen gas.