Quiz on Acids and Bases

What is an acid defined as in an aqueous solution?

• A substance that releases OH- ions

• A substance that releases H+ ions

• A substance that absorbs H+ ions

• A substance that contains only carbon

Which of the following is a characteristic of strong acids?

• They do not release H+ ions

• They only partially break down in water

• They completely break down in water

• They have a pH of 7

What is the pH range for acidic solutions?

• pH = 7

• pH > 7

• pH < 7

• pH = 14

What happens when an acid reacts with a carbonate?

• It produces hydrogen gas

• It produces carbon dioxide gas

• It produces oxygen gas

• It produces nitrogen gas

Which of the following is a characteristic of bases?

• They contain only hydrogen

• They have a pH of less than 7

• They feel slippery

• They taste sour

What is the pH of pure water?

• 1.5

• 14

• 7

• 0

What is the role of an acid-base indicator?

• To dissolve in water

• To measure temperature

• To neutralize acids

• To change color in the presence of an acid or base

What is produced when an acid and a base neutralize each other?

• Hydrogen gas and oxygen

• Salt and water

• Carbon dioxide and water

• Acid and base

Which of the following is a strong base?

• Sodium bicarbonate

• Calcium carbonate

• Sodium hydroxide

• Magnesium sulfate

What does a pH meter measure?

• Temperature of a solution

• Concentration of H+ ions

• Volume of a solution

• Color of a solution