In the reaction $2PbO + C \to 2Pb + CO_2$<br> (a) lead is getting reduced <br> (b) carbon dioxide is getting oxidised <br> (c) lead oxide is getting reduced. <br> (d) carbon is getting reduced.

Question

$\begin{array}{1 1} \text{(i) a and b} \\ \text{(ii)a and c} \\ \text{(iii)a,b and c} \\ \text{(iv)all} \end{array} $