Question

The first metal known to be prepared from its ore was copper, perhaps as early as 6000 bc in the Middle East. The ore, which contained copper(II) oxide, was heated with charcoal, which was prepared by the incomplete burning of wood, and is mainly elemental carbon. Later, iron and tin were prepared in the same way. Bronze, an alloy of copper and tin, was made by mixing copper-containing ore with tin ore and heating the mixture in the presence of charcoal. Write the chemical equations for the preparation of the metals Cu(s), Sn(s), and Fe(s) from the ores CuO(s), SnO2(s), and Fe2O3(s), respectively.

Answer 1

Answer:2CU2O-------4CU+O2

Fe2O3+3C--------2Fe+ 3CO

SnO2+C-------Sn +CO

Step-by-step explanation:

1.Preparation of cu from cuo

2CU2S+3O2------2CU2O+2SO2

2CU2O-------4CU+O2

2.preparation of fe from fe2o3

Fe2O3+3C--------2Fe+ 3CO

2. Preparation of SN from SNO2 through carbon reduction

SnO2+C-------Sn +CO