Question

On heating a mixture of cu2o and cu2s we get

Answer 1

Answer:

When a mixture of Cu2O and Cu2S is heated, they react together to give copper metal and sulphur dioxide gas. ... Copper glance,Cu2S, is roasted in the presence of air to get converted to Cu2O. Cu2O then reacts with non-oxidised Cu2S ore in the absence of air to form copper metal.