Starter: Acid and Bases

Which has a pH below 7?

• Acid
• Base

Which has a bitter taste?

• Base
• Acid
• flagella
• cila

Which has a slippery texture?

• Acid
• Base

Turns litmus red

• Acids
• Bases
• All

What pH is the strongest base?

• 1

• 7

• 4

• 14

Which of the following is most likely to be basic:

• Lemon juice
• Vinegar
• Laundry detergent
• Coke

Tastes Sour

• Acids
• Bases
• Salts
• All

Ammonia has a pH of 12.  Ammonia is __________.

• an acid
• a base
• an element
• a metal

Which of these solutions is an acid?

• Dish Soap: pH of 12
• Tomato Soup: pH of 4
• Baking Soda: pH of 9
• Drain Cleaner: pH of 14

The pH of vinegar is 2.5.  Vinegar is a _____________.

• strong acid
• strong base
• weak base
• weak acid