salts
formed by an acid and base
acids
sour taste
bases
bitter taste, slippery feel
neutral
neither an acid or base
strong acid
sulfuric acid, hydrochloric acid, and nitric acid
weak acid
acetic acid
strong base
sodium hydroxide and potassium hydroxide
weak base
ammonia
neutralization
when a strong acid and strong base react to produce water and a salt
pH scale
represents concentration of hydrogen
acidic
range 0-6.9 on pH scale
basic
range 7.1-14 on pH scale
neutral
7 pH
acid-base indicator
substance that changes color depending on pH; example litmus
buffer
doesn’t change in pH because it contains a weak acid and weak base