a class="link" rel="nofollow" href=" A metal crucible is filled with iron-oxide and aluminum. A small amount of potassium, sugar and chloride is placed on top of iron-oxide aluminum mixture. A few drops of concentrated sulphuric acide is added to the mixture to start the reaction. The reaction extremely exothermic. The crucible becomes red hot. The aluminum has reduced the iron-oxide to iron. br br ---br It's Never too Late to Study:br a class="link" rel="nofollow" href=" ---br Notice: This video is copyright by its respectful owners.br The website address on the video does not mean anything.