heating zinc oxide
aim: what change happens when we heat zinc oxide
equipment: Bunsen burner, heat mat, tripod, safety glasses, crucible, crucible holder, zinc oxide
results: Zinc Oxide is originally a white powder. When heated up, it turns yellow but does not decompose and when it is removed from the heat it gradually goes back to its original white color.
discussion: when heated the electrons and zinc move to the other levels making it change colour
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