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6. What colour flame does calcium create?

  • Brick red
  • Green
  • Yellow
  • Crimson

7. When you increase temperature...

  • Equilibrium shifts to decrease temperature (favour endo)
  • Equilibrium shifts to increase temperature (favour exo)

8. The point at which the acid/alkali reaction is complete is called the...

  • end point
  • limit
  • finis

9. What colour compound does Iron (III) Sulfate produce?

  • Brown
  • Green
  • Blue

10. When breaking bonds, energy is...

  • absorbed (endorthermic)
  • released (exothermic)

11. In 1869, Mendeleev produced the modern periodic table, what did it allow for?

  • Undiscovered electrons
  • Undiscovered elements
  • New groups

12. When metals react with water...

  • hydrogen and a metal hydroxide are produced
  • oxygen and a metal hydroxide are produced
  • water and metal a hydroxide are produced

13. As size increases down the group, it is...

  • not reactive
  • less reactive, hard to gain electrons
  • more reactive, easy to gain electrons

14. What is the flame test used to identitfy?

  • Group 1 and 2 metals
  • Group 4 and 5 non-metals
  • Group 8 noble gases

15. What does hard water produce when heated?

  • Scale
  • Scum

16. What colour flame does barium create?

  • Brick red
  • Lilac
  • Green
  • Yellow

17. Who created the first periodic table in 1808?

  • John Dalton
  • John Newlands
  • Dmitri Mendeleev

18. What did John Lewlands Law say?

  • That the atomic weight changed every 8 elements
  • That every 8th element had similar properties
  • That every 8th element was the same

19. When you decrease pressure...

  • Equilibrium shifts to increase pressure
  • Equilibrium shifts to decrease pressure

20. Halogens are the most reactive non-metals?

  • True
  • False