Identifying negative ions - Carbonates test (Edexcel GCSE Chemistry Combined Science): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What ion does the carbonate test identify?
What ion does the carbonate test identify?
What gas is produced when carbonates react with acids?
What gas is produced when carbonates react with acids?
Carbon dioxide
Which acid is added to the substance in the carbonate test?
Which acid is added to the substance in the carbonate test?
Dilute hydrochloric acid
What observation indicates carbonate ions are present?
What observation indicates carbonate ions are present?
Fizzing
What happens to limewater when is bubbled through it?
What happens to limewater when is bubbled through it?
Turns cloudy
What does cloudy limewater confirm about the substance?
What does cloudy limewater confirm about the substance?
It is a carbonate
Why should you avoid sucking up acid into the pipette?
Why should you avoid sucking up acid into the pipette?
It neutralises limewater and ruins test
Why should minimal limewater be used in the test?
Why should minimal limewater be used in the test?
Makes test more sensitive and accurate
In , what are the three products?
In , what are the three products?
, ,
Which two substances are the reactants in the carbonate test equation?
Which two substances are the reactants in the carbonate test equation?
and