PH Scale

Water is...

• tasteless

• alkaline

• acidic

• neutral

Vinegar is...

• acidic

• alkaline

• neutral

• bitter

What is the pH scale?

• A measure of temperature

• A measure of acidity and alkalinity

• A measure of volume

• A measure of density

What numbers are acids associated with on the pH scale?

• 7 to 14

• 0 to 7

• 14 to 21

• 7 to 10

What numbers are bases associated with on the pH scale?

• 0 to 7

• 7 to 14

• 14 to 21

• 0 to 14

What number is distilled water associated with on the pH scale?

• 0

• 7

• 14

• 10

How can you determine the strength of an acid?

• By its color

• By its pH value

• By its temperature

• By its volume

Which one is the strongest acid based on the diagrams?

• Beaker a

• Beaker b

• Both are equal

• Neither

What ion are acids associated with?

• OH-

• H+

• Na+

• Cl-

What ion are some bases associated with?

• H+

• OH-

• Na+

• Cl-