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5 Written questions

5 Matching questions

  1. Halogens react with hydrogen react to form hydrogen halides. Write an equation where X is the halogen reacting with hydrogen.
  2. 2 AlCl3 (s)+ 3H2O -->
  3. PCl3 (l) + 3H2O -->
  4. Na2O + H2O -->
  5. Alkali metals in water react exothermically to form metal hydroxides. Write the general equation, where M is any alkali metals.
  1. a Al2O3 (s) + 6HCl (aq)
  2. b H3PO3 (aq) + 3 HCl (aq)
  3. c 2M(s)+2H2O(l)-->2M-(aq)+2OH-(aq)+H2(g)
  4. d NaOH (Basic and soluble)
  5. e H2(g)+X2-->2HX(g)

5 Multiple choice questions

  1. H3PO4 (aq) + 5 HCl (aq)
  2. Very soluble. HF is the weakest since it sometimes does not dissociate in water.
  3. HCl (aq) + HClO(aq)
  4. 2 AlCl3 (aq) + 3 H2O
  5. 2 HClO4 (aq)

5 True/False questions

  1. SO2(g) + H2O <-->H2SO3 (aq)

          

  2. SO3 (s)+ H2O <-->H2SO3 (aq)

          

  3. SiO2 + H2O -->NO REACTION (ACIDIC)

          

  4. P4O10(s) + 6H2O <-->4 H3PO3 (aq) (ACIDIC)

          

  5. What alkali metals can react with oxygen to form a superoxide (O2-)?K, Rb, and Cs