Methods of Identifying Ions (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the main purpose of a flame test?
What is the main purpose of a flame test?
To identify metal ions by their flame color
What color flame does lithium () produce?
What color flame does lithium () produce?
Crimson
What color flame does sodium () produce?
What color flame does sodium () produce?
Yellow
What color flame does potassium () produce?
What color flame does potassium () produce?
Lilac
What color flame does calcium () produce?
What color flame does calcium () produce?
Orange/red
What color flame does copper () produce?
What color flame does copper () produce?
Green
What happens to electrons in a metal ion when heated in a flame?
What happens to electrons in a metal ion when heated in a flame?
They jump to higher energy levels
What is released when excited electrons fall back to their original energy levels?
What is released when excited electrons fall back to their original energy levels?
Energy in the form of light
Why does each metal ion produce a different flame color?
Why does each metal ion produce a different flame color?
Each has a unique light wavelength
A compound produces a green flame. Which metal ion is present?
A compound produces a green flame. Which metal ion is present?
Copper
What practical application uses metal ions to create vibrant colors?
What practical application uses metal ions to create vibrant colors?
Pyrotechnics (fireworks)
A compound produces a lilac flame. Which metal ion is present?
A compound produces a lilac flame. Which metal ion is present?
Potassium