Acids and Bases

According to the pH scale, which item is more acidic than lemons?

• battery

• vinegar

• milk

• blood

An extremely strong acid would have a pH of...

• 1

• 7

• 9

• 14

Indicators change color in the presence of a(n) _______________.

• acid or base

• buffer

• water molecule

• ester

Most foods are 

• Acid

• Basic

• Neutral

• salts

An extremely strong base would have a pH of...

• 1

• 7

• 9

• 14

A neutral substance would have pH of...

• 8

• 7

• 6

• 14

If a solution is neither acidic or basic it has a pH of _____________.

• 7

• 6

• 13

• 1

A base has a ___________ taste.

• bland

• salty

• bitter

• sour

A base has a _________________ .

• sour taste

• positive ion

• slippery feel

• pH of 5

Which of the following is an acid?

• shampoo

• baking soda

• orange juice

• water