What happens when :(a) ZnCO3 is heated in the absence of Oxygen?(b) a – InterviewSolution

1.

What happens when :(a) ZnCO3 is heated in the absence of Oxygen?(b) a mixture of Cu2O and Cu2S is heated?

Answer»

(a) ZnO (s) and CO₂(g) are formed.

ZnCO₃→ZnO + CO₂

(b) Cu(s) and Sulphur dioxide will be formed.

2Cu₂O + Cu₂S → 6Cu + SO₂

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