What are the colour changes observed in the thermal decomposition of Copper Carbonate and Zinc Carbonate?

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What are the colour changes observed in the thermal decomposition of Copper Carbonate and Zinc Carbonate?

2007-05-05 04:13:09 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

Green copper carbonate turns black on heating:

CuCO3 ----> CuO + CO2

White zinc carbonate turns yellow on heating, and this new solid turns white on cooling:

ZnCO3 -----> ZnO + CO2

2007-05-05 04:53:06 · answer #1 · answered by Gervald F 7 · 1⤊ 0⤋

Zinc Carbonate Decomposition

2016-11-10 11:23:52 · answer #2 · answered by ? 4 · 0⤊ 0⤋