Acid Strength and Precipitation Quiz

What is the definition of the concentration of an acid?

• The amount of substance per unit volume.

• The strength of the acid in terms of pH.

• The ability of an acid to form precipitates.

• The temperature at which an acid boils.

Which of the following is a strong acid?

• Ethanoic acid (CH₃COOH)

• Hydrochloric acid (HCl)

• Citric acid

• Carbonic acid

What happens to every molecule of a strong acid when dissolved in water?

• It forms a precipitate.

• It remains unchanged.

• It evaporates.

Which of the following is a weak acid?

• Sulfuric acid (H₂SO₄)

• Nitric acid (HNO₃)

• Hydrochloric acid (HCl)

• Ethanoic acid (CH₃COOH)

What is the typical pH value of a strong acid?

• 7

• 5

• 3

• 1

Which reaction forms a precipitate?

What is the result of the reaction between barium ions and sulfate ions?

Why do weak acids react more slowly than strong acids?

• They are more concentrated.

• They are more volatile.

Which separation technique is used to isolate a precipitate?

• Evaporation

• Chromatography

• Distillation

• Filtration

What is formed when silver ions react with halide ions?

• A gas

• A liquid

• A precipitate

• A solution