Topic 1 Exp 3 8.6D: Acids and Bases: Weekly Review

Which of the following pH values indicates a neutral solution, similar to pure water?

• 3

• 7

• 10

• 14

What is the pH range of bases?

• 0-7

• 7-14

• 7-10

• 10-14

What is the pH range of acids?

• 0-7

• 7-14

• 7-10

• 10-14

Which of the following substances is most likely to be a base?

• Lemon juice

• Vinegar

• Baking soda

• Orange juice

What happens to the pH of a solution when an acid is added to water?

• pH increases

• pH decreases

• pH remains the same

• pH becomes neutral

What happens to the pH of a solution when a base is added to water?

• pH increases

• pH decreases

• pH remains the same

• pH becomes neutral

Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid
• cabbage
• milk

Soap is an example of  __________

• A base
• An acid
• A neutral substance

What color does acid turn litmus paper?

• It turns litmus paper purple.
• It turns red litmus paper blue.
• It turns blue litmus paper blue.
• It turns blue litmus paper red.