For SQA National 5 Chemistry, learn about the properties of acids and bases and how to tell them apart with this BBC Bitesize Scotland revision guide.

IntroductionAn acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with ...

Everything CCEA students need to know about carrying out titration for ... A base is a substance which neutralises an acid. ... You should aim to carry out the experiment with a high degree of ...