Acids and Bases

HCl is a(n)...

• Acid because it contains Hydrogen ions

• Base because it contains hydroxide ions

• Acid because it contains hydroxide ions

• Base because it contains hydrogen ions

Which of the following is a characteristic of a base?

• It turns red litmus paper blue

• It turns blue litmus paper red

• It reacts with metals to produce hydrogen gas

• It has a sour taste

Which of the following substances is a common base?

• Vinegar

• Lemon juice

• Carbon dioxide

• Sodium hydroxide

What is the pH range of a typical acid?

• 7 to 14

• 14 to 20

• 7

• 0 to 7

Which of the following is a property of an acid?

• It turns red litmus paper blue

• It has a bitter taste

• It turns blue litmus paper red

• It feels slippery

Which of the following substances is a common acid?

• Baking soda

• Ammonia

• Hydrochloric acid

• Sodium chloride

What is the pH range of a typical base?

• 14 to 20

• 7

• 0 to 7

• 7 to 14

Which of the following substances is a neutral compound?

• Sodium hydroxide

• Water

• Vinegar

• Ammonia

Which of the following is a characteristic of an acid?

• It has a bitter taste

• It feels slippery

• It turns red litmus paper blue

• It turns blue litmus paper red

NaOH is a(n)...

• base because it dissociates into hydroxide ions

• acid because it dissociates into hydrogen ions

• base because it dissociates into hydrogen ions

• acid because it dissociates into hydroxide ions