Calcium oxide and carbon dioxide are formed due to the decomposition of 

${\mathrm{Fe}}_2{\mathrm{O}}_3+2\mathrm{Al}\to {\mathrm{Al}}_2{\mathrm{O}}_3+2\mathrm{Fe}$

The above reaction is an example of a 

Which of the statements about the reaction below are incorrect?

$2\mathrm{PbO}\left(\mathrm{s}\right)+\mathrm{C}\left(\mathrm{s}\right)\to 2\mathrm{Pb}\left(\mathrm{s}\right)+{\mathrm{CO}}_2\left(\mathrm{g}\right)$

1. Lead is getting reduced

2. Carbon dioxide is getting oxidised

3. Carbon is getting oxidised

4. Lead oxide is getting reduced