Acids and Bases

Bases that dissolve in water are called

Which of the following is not an acid

• Baking soda

• Vinegar

• Stomach juice

• Lemons

The pH scale ranges from 1 to 14. Distilled water would have a pH of..

• 7

• Under 7

• Over 7

The process that happens when an acid and bases are added in appropriate amounts to make salt and water

• Experiment

• Neutralisation

• Titration

Name the piece of equipmwnt labelled X in the diagram

Acids turn litmus paper what colour?

• Red

• Blue

• Purple

• Yellow

Bases turn litmus paper what colour?

• Yellow

• Green

• Red

• Blue

What does an indicator do?

Evaluate responses using AI:

OFF

Give an example of an indicator you have used.

Evaluate responses using AI:

OFF

Phenolphthalein is an indicator used in a titration. It is pink when added to a base. What colour does it go when enough acid is added?

Evaluate responses using AI:

OFF