Tests for anions (Edexcel GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is an anion?
What is an anion?
A negatively charged ion
How do anions form?
How do anions form?
An atom gains one or more electrons
Which reagents are used to test for carbonate ions ()?
Which reagents are used to test for carbonate ions ()?
and limewater
What observation indicates the presence of carbonate ions?
What observation indicates the presence of carbonate ions?
Limewater turns cloudy/milky
Which substance causes the milky appearance in the carbonate test?
Which substance causes the milky appearance in the carbonate test?
Which reagents are used to test for sulphate ions ()?
Which reagents are used to test for sulphate ions ()?
and
What is observed when sulphate ions are present?
What is observed when sulphate ions are present?
A white precipitate of forms
Which reagents test for halide ions (, , )?
Which reagents test for halide ions (, , )?
and
What observation indicates the presence of chloride ions ()?
What observation indicates the presence of chloride ions ()?
A white precipitate of forms
What colour precipitate forms when bromide ions () are present?
What colour precipitate forms when bromide ions () are present?
Cream
What colour precipitate forms when iodide ions () are present?
What colour precipitate forms when iodide ions () are present?
Yellow