Organic & Inorganic Chemistry Practicals (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What observation confirms the presence of ammonium ions when warmed with ?
What observation confirms the presence of ammonium ions when warmed with ?
Damp red litmus turns blue
Which precipitate colour indicates iodide ions when silver nitrate is added?
Which precipitate colour indicates iodide ions when silver nitrate is added?
Yellow
What happens to limewater when carbonate ions react with dilute hydrochloric acid?
What happens to limewater when carbonate ions react with dilute hydrochloric acid?
Turns cloudy
Which reagent is added after dilute to test for sulfate ions?
Which reagent is added after dilute to test for sulfate ions?
Barium chloride
Where should ammonia solution be used to avoid irritation from vapours?
Where should ammonia solution be used to avoid irritation from vapours?
In a fume cupboard
What indicator is used to test for hydroxide ions?
What indicator is used to test for hydroxide ions?
Red litmus paper
Which halide precipitate dissolves in dilute ammonia?
Which halide precipitate dissolves in dilute ammonia?
Chloride ()
What observation confirms barium ions when dilute sulfuric acid is added?
What observation confirms barium ions when dilute sulfuric acid is added?
White precipitate forms
How can cross-contamination of reagents be prevented in these tests?
How can cross-contamination of reagents be prevented in these tests?
Use freshly cleaned test tubes
What precipitate forms when sodium hydroxide is added to magnesium ions?
What precipitate forms when sodium hydroxide is added to magnesium ions?
White precipitate