Chemical Analysis

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Chemistry Topic 8
Elizabeth Lewis
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Elizabeth Lewis
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Resumen del Recurso

Chemical Analysis
  1. Hydrogen gas
    1. magnesium + hydrochloric acid
      1. magnesium chloride + hydrogen
      2. Lit splint into test tube
        1. Squeaky pop
        2. Mg + HCl
          1. MgCl2 + H2
        3. Carbon dioxide gas
          1. calcium carbonate + hydrochloric acid
            1. carbon dioxide + water + calcium chloride
            2. CaCO3 + HCl
              1. CO2 + H2O + CaCl2
              2. Bubble through lime water
                1. Lime water goes cloudy
              3. Oxygen gas
                1. hydrogen peroxide
                  1. water + oxygen
                  2. H2O2
                    1. H2O + O2
                    2. Glowing splint into test tube
                      1. Splint re-lights
                    3. Chlorine gas
                      1. chorine + heat
                        1. chlorine gas
                        2. Cl2(s)
                          1. Cl2(g)
                          2. Blue litmus paper in the gas
                            1. Blue to red to (bleached) white
                          3. Flame Tests
                            1. Used to test for different metal ions
                              1. Clean loop with metal is passed over flame
                                1. Flame changes colour depending on ion
                              2. Examples
                                1. Lithium
                                  1. Sodium
                                    1. Potassium
                                      1. Calcium
                                        1. Copper
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