Final Exam Review: Acids & Bases

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Releases hydrogen in an aqueous solution.

• base
• strong base
• acid
• weak base

Which of the following statements is correct?

• Blue litmus paper turns red when placed in a base.
• Red litmus paper turns blue when placed in a base.
• Blue litmus paper stays blue when placed in an acid.
• Red litmus paper stays red when placed in a base.

What completely ionizes in solution?

• Weak acids

• Strong acids

• Strong Salts

• Neutral salts

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

When an equal strength acid and base are mixed, what kind of chemical reaction occurs?

• Neutralization

• Combustion

• Oxdation

• Decomposition

Select the name for the following acid: H₂S

• Hydrosulfuric acid
• Sulfuric acid
• Sulfurous

sulfuric acid

• HSO₃
• H₂SO₃
• H₂SO4
• H3SO4

Strong acids and bases...

• do not break apart into ions (non-electrolyte)
• partially break apart into ions (weak electrolyte)
• completely break apart into ions (non-electrolyte)
• completely break apart into ions (strong electrolyte)