Question:

What actually causes cobalt chloride to change color when its heated?

Answer:

The water molecules attached to the cobalt II chloride crystals evaporates. What you have after heating is anhydrous cobalt II choride (that is, cobalt II chloride minus water).


Tags:
Cobalt(II) chloride
Copper(II) chloride
Cobalt(II) hydroxide
Cobalt(II) bromide
Cobalt(II) sulfate
Cobalt sulfide
Humidity indicator
Metal halides
Cobalt
Hydrate
Desiccation
Cobalt(II) bromide
Chemistry
Chlorides
Dietary minerals
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