Acids and Bases

Neutral solutions have a pH of:

• 0

• 1

• 7

• 14

Which is true?

• pH of less than 7 is basic; pH of more than 7 is acidic

• pH of less than 7 is acidic; pH of more than 7 is basic

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

Ammonia has a pH of 11. Ammonia is __________.

• an acid

• a base

• an element

• a metal

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

• orange juice
• dish soap
• vinegar
• lemons

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

• battery

• vinegar

• milk

• blood

Which type of ion does a base produce when it is dissolved in water?

• oxide
• oxygen
• hydrogen
• hydroxide

Tags

NGSS.MS-PS1-2

An indicator will ______________ when it is in contact with an acid or base

• Bubble
• Form a new substance
• Change color
• Stay the same color

Tags

NGSS.MS-PS1-2

According to the image, the substance tested is a...

• Acid
• Neutral
• Strong Acid
• Base

Tags

NGSS.MS-PS1-2