Middle School Acids and Bases

Stronger acids have a pH closer to...

• 7

• 0

• 14

• 9

Weaker bases have a pH closer to...

• 8

• 0

• 14

• 4

A pH level of 7 indicates

• acid

• base

• neutral

• none of the following

The pH scale is a range from:

• 1-7

• 0-14

• 1-5

• 1-14

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

What is the only substance with a neutral pH of 7?

• Milk

• Orange Juice

• Pure water

• Bleach

A solution with a pH of 8.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

Which of the following is an acid?

• soap

• baking soda

• orange juice

• pure water

What would be considered the weakest base?

• 3

• 14

• 8.2

• 11.6

Which property is not associated with acids?

• Sour taste

• strong acids can burn you

• turns litmus paper blue

• reacts with metals