Other questions in this quiz

2. Caesium's flame colour is __(a)___ , Rubidium's is __(b)__ and Magnesium's is __(c)__

  • (a) Apple green (b) Lilac (c) No colour
  • (a)Orange (b) Brick Red (c) White
  • (a) Blue/Violet (b) Red/Purple (c) No colour
  • (a)Red (b) Yellow (c) Green

3. What's a common test for the Hydrogen Halides?

  • Reacts with ammonia gas to form a dense white smoke of ammonium halide
  • Turns Fehling's solution red
  • Turns damp red litmus blue, then beaches it white
  • Form a white precipitate of Barium Halide when Barium Nitrate is added to a solution

4. What is disproportionation?

  • A property of halides which decreases in ability down the group
  • When one element undergoes both reduction and oxidation in a reaction at the same time
  • The action of a powerful reducing agent
  • When one atom both gains and looses electrons in a reaction

5. What is the trend in solubility of the sulfates and hydroxides?

  • They are more soluble down the group
  • Sulfates decreases down the group ; hydroxides increases
  • Hydroxides decreases down the group, Sulfates increases
  • They are less soluble down the group

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