Anion and Sulfate Testing Quiz

Which of the following is a common anion found in salts?

• Sodium ion

• Chloride ion

• Calcium ion

• Magnesium ion

What is the chemical formula for the sulfate ion?

Which reagent is commonly used to test for sulfate ions in a solution?

• Silver nitrate

• Barium chloride

• Sodium hydroxide

• Hydrochloric acid

What is the expected observation when barium chloride is added to a solution containing sulfate ions?

• A blue precipitate forms

• A white precipitate forms

• A red precipitate forms

• No change is observed

Which of the following anions will form a precipitate with silver nitrate?

• Nitrate ion

• Chloride ion

• Sulfate ion

• Hydroxide ion

What is the chemical reaction when hydrochloric acid is added to a carbonate compound?

• Formation of water

• Formation of carbon dioxide gas

• Formation of oxygen gas

• Formation of hydrogen gas

Which anion is present if a solution turns limewater milky?

• Chloride ion

• Sulfate ion

• Carbonate ion

• Nitrate ion

What is the result of adding dilute nitric acid followed by silver nitrate to a solution containing chloride ions?

• A white precipitate forms

• A yellow precipitate forms

• A brown precipitate forms

• No precipitate forms

Which anion is detected by the addition of dilute hydrochloric acid and observing effervescence?

• Sulfate ion

• Nitrate ion

• Carbonate ion

• Chloride ion

What is the colour of the precipitate formed when silver nitrate is added to a solution containing iodide ions?

• White

• Yellow

• Brown

• Black