Neutralisation and Acids Quiz

What is neutralisation?

• A reaction between an acid and an alkali producing water and salt

• A reaction between two acids

• A reaction that produces only gas

• A reaction that turns everything blue

What is always formed in a neutralisation reaction?

• Only salt

• Water and salt

• Acid and alkali

• Only gas

Which of the following is an example of an acid?

• Sodium hydroxide

• Hydrochloric acid

• Water

• Oxygen

Which of these substances is an alkali?

• Lemon juice

• Vinegar

• Sodium hydroxide

• Carbon dioxide

What is the pH of a neutral solution?

• 1

• 7

• 10

• 14

What happens to the pH during neutralisation?

• It increases

• It decreases

• It moves closer to pH 7

• It stays the same

What is the general word equation for a neutralisation reaction?

• Acid + Alkali → Salt + Water

• Acid + Water → Salt + Gas

• Alkali + Gas → Water

• Acid + Acid → Water

Which gas is often released when an acid reacts with a metal carbonate?

• Oxygen

• Carbon dioxide

• Hydrogen

• Nitrogen

Which indicator turns green when a solution is neutral?

• Universal indicator

• Red litmus paper

• Blue litmus paper

• Methyl orange

Which of these is a salt formed in neutralisation?

• Sodium chloride

• Carbon dioxide

• Water

• Oxygen