Other questions in this quiz

2. What is the charge of cations?

  • Positive
  • Negative
  • No charge

3. Which metal would produce a brick red flame?

  • Barium
  • Lithium
  • Calcium
  • Potassium

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

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

5. How is a flame test carried out?

  • Heat and dip a nichrome wire in HCL, then dip it in the compound and place in the flam
  • Heat the powdered compound in an evaporating dish on top of the flame
  • Heat a solution of the compound in a beaker

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