Acids, Bases & pH review

Pure water has a pH of 7. This is considered to be:

• Neutral

• Acidic

• Basic

• None of the above

Sodas or soft drinks are considered to be:

• Basic

• Neutral

• Acidic

• None of the above

Which substance is basic?

• Citrus fruits

• Vegtables

• Sodas

• Eggs

pH 5 is considered to be a:

• weak base

• strong base

• weak acid

• strong acid

When red litmus paper turns blue...

• you are testing an acid

• you are testing a base

• you are testing a neutral

When blue litmus paper turns red...

• you are testing a base

• you are testing a neutral

• you are testing an acid

Which of the following is MOST acidic?

• 13

• 4

• 2

• 10

Is there is a substance that tests at pH 8.4, which is the best description?

• It is slightly acidic

• It is slightly basic

• It is highly acidic

• It is highly basic

A substance tests with a pH of 12.5 is...

• slightly basic

• highly acidic

• slightly acidic

• highly basic

The range for acidic substances is ______, and the range for basic substances is _____.

• 0-14 for both

• 0-7, 7-14

• 1-8, 10-14

• 1-4, 6-10