12-4 Acids and Bases

Which of the following is a common property of acids?

• Slippery feel

• Sour taste

• Turns red litmus paper blue

• Produces hydroxide ions in water

What is the pH value of a neutral solution at 25°C?

• 0

• 7

• 14

• 1

Which of the following is a property of bases?

• Sour taste

• Turns blue litmus paper red

• Slippery feel

• Reacts with metals to produce hydrogen gas

A solution has a pH of 3. What can you conclude about the solution?

• It is strongly basic

• It is weakly basic

• It is acidic

• It is neutral

If a solution has a pH of 9, which of the following statements is true?

• The solution is acidic

• The solution is basic

• The solution is neutral

• The solution is a strong acid

Which of the following statements correctly compares strong and weak acids?

• Strong acids ionize completely in water, while weak acids ionize partially.

• Weak acids have a lower pH than strong acids at the same concentration.

• Strong acids taste less sour than weak acids.

• Weak acids do not conduct electricity in solution.

• It has a sour taste

• It completely dissociates in water

• It reacts with metals

• It turns blue litmus paper red

Which of the following is a Lewis base?

• It donates a proton

• It accepts a proton

• It turns red litmus paper blue