Question

Name two metals which are obtained from their ores by simple heating

Answer 1

Explanation:

Metals such as zinc, iron and copper are present in ores as their oxides. Each of these oxides is heated with carbon to obtain the metal.

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Answer 2

Answer:

Copper and aluminum are the metals which are obtained from their ores by simple heating.

Explanation:

Smelting is a process in which ore is heated to extract a base metal which further reduced to obtain pure elemental metal.

Calcination is the process of strongly heating the ore into oxide in limited supply of air.

$Al_2O_3.2H_2O\overset{heat} \rightarrow Al_2O_3+2H_2O$

$Al_2O_3+3C\rightarrow 2Al+3CO$

Roasting is the process of strongly heating the ore into oxide in unlimited supply of air.

$CuCO_3.Cu(OH)_2\overset{heat} \rightarrow 2CuO++H_2O+CO_2$

$CuO+3C\rightarrow Cu+CO$