Other questions in this quiz

2. What colour flame does calcium create?

  • Brick red
  • Green
  • Yellow
  • Crimson

3. Which dissolved compounds does hard water contain?

  • Ca and Mg
  • Mg and Fe
  • Fl and O

4. When forming bonds, energy is...

  • released (exothermic)
  • absorbed (endorthermic)

5. Halogens are the most reactive non-metals?

  • True
  • False

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