Acids and Bases Quiz

What is the pH value of a neutral substance like pure water?

• 7

• 0

• 14

• 10

Which of the following substances is most likely to have a pH of 2?

• Washing up liquid

• Pure water

• Stomach acid

• Bleach

What is the main advantage of using a pH probe over chemical indicators?

• It is easier to use

• It is more colorful

• It is cheaper

• It provides more accurate and precise readings

What color does a universal indicator turn in a highly acidic solution?

• Deep red

• Yellow

• Green

• Blue

How do acids behave in water?

• They become neutral

• They form solid precipitates

• They release hydrogen ions

• They release hydroxide ions

What is the defining feature of an alkali?

• It releases hydrogen ions in water

• It is a base that is insoluble in water

• It has a pH less than 7

• It is a base that dissolves in water

What are the typical products of a neutralization reaction?

• Acid and base

• Salt and water

• Water and carbon dioxide

• Hydrogen gas and salt

Which ions combine to form water in a neutralization reaction?

• Hydrogen ions and hydroxide ions

• Hydrogen ions and chloride ions

• Sodium ions and chloride ions

• Hydroxide ions and sodium ions

Which of the following is a common acid?

• Ammonium hydroxide

• Calcium carbonate

• Sulfuric acid

• Sodium hydroxide

Which of the following is a common base?

• Nitric acid

• Hydrochloric acid

• Sulfuric acid

• Sodium hydroxide