Quiz on Acids and Bases

What does a pH value of 7 indicate?

• Neutral solution

• Acidic solution

• Basic solution

• Alkaline solution

Which of the following is a common household base?

• Vinegar

• Lemon juice

• Ammonia

• Orange juice

Which pH value indicates a strong acid?

• 2

• 7

• 10

• 14

What is the chemical formula for hydrochloric acid?

• HNO3

• H2SO4

• HCl

• HClO3

What happens when an acid reacts with a base?

• Formation of hydrogen gas

• Formation of water and a salt

• Increase in pH

• Decrease in temperature

Which of the following represents a weak base?

• NaOH

• NH3

• KOH

• Ca(OH)2

Which of the following is not a characteristic property of acids?

• Sour taste

• Ability to turn litmus paper red

• Reactivity with metals to produce hydrogen gas

• Slippery feel

Which of the following cannot act as an acid?

• HCl

• NaOH

• H2SO4

• H2CO3

Which of the following is a strong acid?

• PH3

• CH3COOH

• HClO4

• HNO2

What is the concentration of hydrogen ions in a solution with a pH of 3?

• 1 x 10^-7 M

• 1 x 10^-3 M

• 1 x 10^-11 M

• 1 x 10^3 M