pH Balance

What does the pH scale measure?

• the concentration of acids and bases

• the malleability of a metal

• the temperature of the water in a swimming pool

• the amount of phosphorus in a compound

How does the pH scale range?

• 0 to 7

• 0 to 10

• 0 to 14

• 1 to 14

A maple tree prefer soil that has a pH of 5.5 to 6.5.  These trees grow best in soil that is ...

• very basic

• very acidic

• slightly acidic

• slightly basic

Tags

NGSS.MS-LS1-5

Which of the following substances is basic?

• Apple juice

• Ginger ale

• Baking soda

• Distilled water

Acid mixed with a base will __________ the mixture.

• nullify

• neutralize

• balance

• naturalize

Which pH number below reflects a weak acid?

• 1

• 6

• 8

• 13

Which pH number below reflects a weak base?

• 1

• 6

• 8

• 13

Which pH number below reflects a strong base?

• 1

• 6

• 8

• 13

Which pH number below reflects a strong acid?

• 1

• 6

• 8

• 13

Mixing equal portions of an acid and a base should give us a mixture with a pH near

• 3

• 10

• 7

• 0