Heating copper (II) carbonate. Copper (II) carbonate being heated in a test tube. This is a demonstration of thermal decomposition. The heat causes th

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Heating copper (II) carbonate. Copper (II) carbonate being heated in a test tube. This is a demonstration of thermal decomposition. The heat causes the copper (II) carbonate to break down into copper oxide (which is black) and carbon dioxide.

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Photo credit: © Science Photo Library / Alamy / Afripics
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