Acids vs. Bases

In class today we learned about the differences between acids and bases in physical properties and how they were defined by two different scientists, Arrhenius and Bronsted-Lowery.
Physical properties:
Acids                                    Bases
Taste sour                             Taste bitter
Feel sticky                            Feel slippery
Turns litmus pink                 Turns litmus blue

Arrhenius vs. Bronsted-Lowery

Arrhenius
Acids are those species that produce hydrogen ions in solution (H+)
Bases are those species that produce hydroxide ions in solution (OH-)

Bronsted-Lowery
Acids are those species that donate a proton (H+)
Bases are those species that accept a proton (OH-)

We also learned how to determine the conjugate base and conjugate acid in a reaction. By determining the acid and base using either the Arrhenius or Bronted-Lowery definitions, we can then find its conjugate base and conjugate acid. A conjugate acid is the substance that forms when a proton is added to a base. On the other hand, a conjugate base is the remaining substance when a proton is lost from an acid.

This Link has some helpful practice problems for acids bases.