Four mixtures are given below: i. Kidney beans and chick eas ii. Pulses and rice iii. Rice flakes and corn iv. Potato wafer and biscuits Which of these can be separated by the method of winnowing?

Question

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