CHEM Acid and Bases

a substance that dissolves in water to produce Hydrogen (H+) ions

acid

a substance that dissolves in water to produce hydroxide (OH-) ions

base

a measure of the acidity or basicity of a solution (scale from 0 to 14)

pH Scale

a substance that changes color depending on whether it is an acid or base.

indicator

an ionic substance produced from an acid by neutralization with a base

salt

acid and base produce salt and water

neutralization reaction

produces fewer hydrogen ions

weak acid

produces few hydroxide ions

weak base

produces a lot of hydrogen ions

strong acid

produces a lot of hydroxide ions

strong base

taste of acid

sour

taste of base

bitter

feel of bases

slippery

pH of a neutral

7

pH of an acid

0-6

pH of a base

8-14

the color a base turns litmus paper

blue

the color an acid turns litmus paper

red

the color a neutral substance turns universal indicator paper

green

Basic solution

solution with a pH of 8 is

Neutral solution

solution with a pH of 7 is

acidic solution

solution with a pH of 3 is

Hydroxide (OH-)

Bases produce ___ ions

Hydrogen (H+)

acids produce ____ ions