1 5 mixture of SiO and Fe2O3 on very strong heating leave a

Last updated: 7/4/2023

1 5 mixture of SiO and Fe2O3 on very strong heating leave a residue weighing 1 46 gm The reaction responsible for loss of weight is Fe2O3 s Fe3O4 s O g What is the percentage by weight of Fe O3 in original sample a 80 b 20 c 40 d 60 Three mole of potassium chlorate KC103 is thermally decomposed and excess of aluminium Al is burnt in the gaseous product How many moles of aluminium oxide Al O3 are formed