A solution of cobalt chloride is placed on a hot plate.
The color changes as the solution heats.
The hot solution is more blue than the cold solution.
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A solution of cobalt chloride is placed on a hot plate.
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The color changes as the solution heats.
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The hot solution is more blue than the cold solution. |
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Heating makes the solution turn blue. Next let's cool a sample in ice water and see what happens.
