Acids and Bases Review Quiz

What is the pH range of an acid?

• 0-6

• 16-18

• 2–8

• 6–7

What ion do bases release in solution?

• H⁺

• OH⁻

• Na⁺

• Cl⁻

What is the pH of pure water?

• 5

• 6

• 7

• 8

What happens to blue litmus paper in an acid?

• Stays blue

• Turns red

• Turns green

• No change

Which indicator turns pink in a base?

• Phenolphthalein

• Bromothymol blue

• Litmus

• Methyl orange

What is produced when an acid reacts with a base?

• Salt and water

• Only water

• Gas

• Acid and salt

What color does bromothymol blue turn in an acidic solution?

• Blue

• Yellow

• Red

• Green

What is the pH range of a base?

• 0-6

• 7

• 8–14

• 14-16

What is the formula for hydrochloric acid?

• HCl

• H₂SO₄

• NaOH

• CH₃COOH

Which of the following is a neutral substance?

• Lemon juice

• Vinegar

• Pure water

• Ammonia