Chapter 16 Quiz

 Which of the following is an acid?

• shampoo
• baking soda
• orange juice
• water

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

What is the pH of a 0.02 M solution of the strong acid HCl?

• 12.3

• 1.7

• 2.3

• 1.2

Which statement is true for all aqueous solutions of acids?

• They have a pH value greater than 7
• They react with sodium carbonate to give carbon dioxide
• They react with ammonium chloride to give ammonia gas
• They react with copper to give hydrogen

Which of the following is a weak acid?

• Hydrochloric acid
• Nitric acid
• Tartaric acid
• Sulfuric acid

What is the pH scale?

• A method for measuring the protons in a solution.

• A measurement of how acidic or basic a liquid is.

• A special microscope used to look at acids.

• None of these.

A liquid is considered a base if it has a lot of _________.

• Hydrogen ions

• Helium ions

• Positive ions

• Hydroxide ions

A solution with a pH of 8.6 would be...

• Acid
• Base
• Neutral
• Acid and Base

Which is the correct equation for calculating pH?

• pH = log[H⁺]

• pH = -log[H⁺]

• pH = 10^-[H+]

• pH = In[H⁺]

What is the [H⁺] in a solution with a pH of 11?

• 1 x 10^-1 M

• 1 x 10^-2 M

• 1 x 10¹¹ M

• 1 x 10^-11 M