Using the tweezers, remove a large piece of the alkali metal from the oil. A technician should prepare the pieces of metal and store them under oil.Universal indicator solution (HIGHLY FLAMMABLE).2-methylpropan-2-ol (HIGHLY FLAMMABLE, HARMFUL), 150 cm 3 (Note 2).Ethanol (HIGHLY FLAMMABLE) or Industrial denatured alcohol (IDA) (HIGHLY FLAMMABLE, HARMFUL), 150 cm 3 (Note 2).Potassium (HIGHLY FLAMMABLE, CORROSIVE), 3 mm cubes.Sodium (HIGHLY FLAMMABLE, CORROSIVE), 4 mm cubes.Lithium (HIGHLY FLAMMABLE, CORROSIVE), 5 mm cubes.Small bottles of oil containing small pieces of the following metal (Note 1): Glass or Perspex sheets to cover troughs (optional).One or more large glass troughs, 5 dm 3 capacity. ![]() Light bulb in holder (for testing conductivity). ![]()
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