Acids, Bases, and Solutions Review

Think about the pH scale. The numbers listed below are the pH of each substance. Which of the following are considered bases?

• ammonia - 11.6

• vinegar - 4.0

• pure water - 7.0

• lemon juice - 2.5

• eggs - 7.8

What does pH stand for?

• properties of hydrogen

• properties of hydroxide

• power of hydrogen

• power of hydroxide

An acid-base __________ tells us whether we have an acid or a base.

What is 7 on the pH scale?

• acid

• base

• neutral

• alkaline

Sugar solution does not change the color of either blue or red litmus paper. Therefore, the sugar solution is __________.

When a base is dissolved in water, what is released?

• H+

• OH-

• CO2

• H-

The pH scale ranges from ________________.

• 1-15

• 0-10

• 0-14

• 1-18

Look at the table above. Which of the following best describes the pH of milk?

• slightly basic

• strongly basic

• slightly acidic

• strongly acidic

Which evidence supports your answer to question 8?

• Strong acids range from 6-7 on the pH scale.

• Strong bases range from 6-7 on the pH scale.

• Weak acids range from 6-7 on the pH scale.

• Weak bases range from 6-7 on the pH scale.

How do indicators show the pH of a substance? Explain below.