Fe because oxidation mean loss of oxygen and Fe lose the oxygen so Fe is oxidised
the numbers are going to be small so like a power but its at the bottom
NH3, H2O2, NHO2
I believe it is 6ml because you do the doseage times the ml and mutiply it by 1
A fact can be disapproved with further evidence different details. So basically evidence can change a fact!! Hope this helps