Why should cleaning materials be stored far from materials used for cooking food?

nooo its far to simple answer given below, the reason is because of high reactivity of possible ingredients that may get into contact like baking soda with WC cleaning stuff, for details reffer to Handbook of Handbook of Destroying ur House for Young Chemists

Many o these materials are poisonous. If not poisonous they may still iparta strange oour or flavour to food.