Acids and Bases

Acids and Bases

Objectives:

*Understand properties of acids and bases

*understand the pH scale

Multiple Choice

What is a property of an acid?

• taste bitter

• turn pink litmus paper blue

• taste sour

• turn water yellow

Multiple Choice

What color does blue litmus paper turn in an acid?

• orange

• yellow

• red

• purple

Multiple Choice

A substance that changes color when mixed with an acid or base is a(n) ___.

• indicator
• neutralizer
• corrosive
• electricity

Multiple Choice

Which one of the following is an example of a base?

• orange juice
• dish soap
• vinegar
• lemons

Multiple Choice

A substance that is 3 on the pH scale would be a(n):

• acid

• base

• neutral

• solute

Multiple Choice

Which is a characteristic of a base?

• tastes sour

• found mostly in foods

• feels slippery

• turn litmus paper red

Multiple Choice

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale