Acids are substances that contains hydrogen ions and bases are substances that have hydroxide ions.
Acids
Bases
A substance that contains hydrogen ions. They have a low pH level.They are sour, and make blue litmus red.
They are substances that contains hydroxide. They have a high pH level. They are bitter and slippery. Turns red litmus to blue.
One example of acids in day to day life are lemons, you know its acid because of the citrus taste. An example of bases in day to day life is soap, you know its a base because it has foam.