Understanding Acids and Bases

If a solution has a pH of 11, what can be said about the solution?

• It is neutral

• It is acidic

• It is basic

• It is a salt solution

If a solution has a pH of 3, what can be said about the solution?

• It is neutral

• It is acidic

• It is basic

• It is a salt solution

What is the pH of a neutral solution?

• 0

• 7

• 14

• 1

What is the ion produced by acids in aqueous solutions?

• Hydroxide ion

• Hydrogen ion

• Sodium ion

• Chloride ion

What is the ion produced by bases in aqueous solutions?

• Hydrogen ion

• Hydroxide ion

• Ammonium ion

• Nitrate ion

What does the pH scale measure?

• The concentration of salt in a solution

• The concentration of hydrogen ions in a solution

• The concentration of hydroxide ions in a solution

• The concentration of water in a solution

What color does litmus paper turn in an acidic solution?

• Blue

• Red

• Green

• Yellow

What is the result of a neutralization reaction?

• Acid and base

• Salt and water

• Hydrogen gas

• Oxygen gas

What color does litmus paper turn in a basic solution?

• Red

• Blue

• Green

• Yellow

Which of the following could be the pH of a strong acid (completely ionizes in solution)?

• 0

• 4

• 9

• 14