2:12 describe the formation of carbon dioxide from the thermal decomposition of metal carbonates, including copper(II) carbonate

2:12 describe the formation of carbon dioxide from the thermal decomposition of metal carbonates, including copper(II) carbonate

thermal decomposition is the process of breaking down by heating.

On heating metal carbonates thermal decompose into metal oxides and carbon dioxide.

Observation: green powder (CuCO₃) changes to a black powder (CuO)

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Hydr0Gen2022-11-28T13:09:36+00:00Categories: (c) Gases in the atmosphere, 2 Inorganic chemistry, Edexcel iGCSE Chemistry|Tags: 2:12, Chemistry, Double, GCSE, GCSE_Chemistry_SpecPoint, SpecPoint, Topic: Key Reactions, Topic: Specification experiments|

Past paper questions on spec point:

Spec	Q'stion	Ans	MS
2:12	Jan '15 (2), Q 3 b	Answer	MkS
2:12	May '15 (2), Q 2 a	Answer	MkS
2:12	May '15 (2), Q 2 b	Answer	MkS
2:12	May '15 (2), Q 2 c i	Answer	MkS
2:12	May '15 (2), Q 2 c ii	Answer	MkS
2:12	May '15 (2), Q 2 c iii	Answer	MkS