Which of the following are physical changes? <br>(i) Melting of iron metal <br>(ii) Rusting of iron <br>(iii) Bending of an iron rod <br>(iv) Drawing a wire of iron metal

Question

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