Acids & Bases

The pH scale is a range from:

• 1-7
• 0-14
• 1-5
• 1-20

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
• Water
• Blood

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

• Acid
• Base
• Neutral
• Acid and Base

A solution with a pH of 3.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

The pH scale is based off of the concentration of _________ ions.

• Oxygen
• Hydronium (H+)
• Nitrogen
• None of the others

When using pH paper, the pH of a solution can be determined by looking at the _______ of the paper.

• texture
• color
• length
• mass

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

What would be considered the weakest base? 

• 8
• 14
• 7.8
• 11.6

Ammonia has a pH of 12.  Ammonia is __________.

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

Tags

NGSS.HS-PS1-1