Study

Neutralisation

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  • What happens if we keep adding acid even after the solution is neutral?
    It becomes acidic again
  • What color does the universal indicator turn when the solution is neutral?
    Green
  • What is the pH of a strong alkali?
    13 or 14
  • What two things do you need to make a neutral solution?
    Acid and alkali
  • What does pH measure?
    How acidic or alkaline a substance is
  • What does a green color in universal indicator mean?
    Neutral solution
  • What does the word “neutralise” mean?
    To make a solution neither acidic nor alkaline
  • What is the pH of a neutral solution?
    7
  • If a solution is yellow after adding universal indicator, what does it mean?
    It is weakly acidic
  • What do we call a solution that is not acidic and not alkaline?
    Neutral
  • What color shows the solution is acidic with universal indicator?
    Red or orange
  • Name one acid and one alkali used in the example from the book.
    Hydrochloric acid and sodium hydroxide
  • What are the products of a neutralisation reaction?
    Salt and water
  • What is the pH of a strong acid?
    1 or 2
  • If you add too much acid to an alkali, will the solution be acidic or alkaline?
    Acidic
  • What is the name of the reaction when acid and alkali cancel each other?
    Neutralisation
  • What does an acid taste like?
    sour
  • What color shows the solution is alkaline with universal indicator?
    Blue or purple
  • Is lemon juice an acid or an alkali?
    Acid
  • What do acids and alkalis do to each other when mixed?
    Cancel each other out