Other questions in this quiz

2. What is the charge of cations?

  • No charge
  • Positive
  • Negative

3. Which 3 cations produce white precipitates when NaOH is added?

  • Calcium, Aluminium, Copper
  • Iron, Copper,Calcium
  • Aluminium,Calcium,Magnesium
  • Iron, Magnesium, Aluminium

4. Why aren't flame tests used to test all cations?

  • Many only produce white flames, or similar coloured flames
  • The heat of the flame isn't high enough to react with all of them
  • Some react too violently with the flame

5. Which metal would produce a yellow flame?

  • Calcium
  • Lithium
  • Sodium
  • Potassium
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