3 ms·Does the second rusty ball really need to be a rusty ball since it is covered in foil?by imzadi 5mo agoDoes the second rusty ball really need to be a rusty ball since it is covered in foil?phyzome 5mo agoDoubles the reaction.xnx 5mo agoMight improve the odds of reaction to have iron on both sides? Would the reaction also work if both balls were covered in foil?