AQA Naming Salts and Concentration

What is the pH of a neutral solution?

• 0

• 7

• 14

• 1

Which ion is responsible for acidity in solutions?

• OH⁻ (hydroxide)

• Na⁺ (sodium)

• H⁺ (hydrogen)

• Cl⁻ (chloride)

What is the name of the reaction between an acid and an alkali?

• Oxidation

• Neutralisation

• Combustion

• Reduction

Which substance can be used to test for acids and alkalis?

• Litmus paper

• Copper sulfate

• Sodium chloride

• Carbon dioxide

What pH range do alkalis have?

• 0-6

• 4-10

• 8-14

• 1-7

Which of the following is a strong acid?

• Sodium hydroxide

• Hydrochloric acid

• Ammonia solution

• Calcium carbonate

What salt is formed when hydrochloric acid reacts with sodium hydroxide?

• Sodium chloride

• Sodium sulfate

• Sodium nitrate

• Sodium carbonate

What gas is produced when a metal carbonate reacts with an acid?

• Oxygen

• Hydrogen

• Carbon dioxide

• Nitrogen

Which indicator shows a strong alkali as purple?

• Universal indicator

• Phenolphthalein

• Litmus

• Methyl orange

Which acid is found in the stomach and helps digestion?

• Sulfuric acid

• Hydrochloric acid

• Nitric acid

• Ethanoic acid