If it's mixed with thermite or oxygen.
It can under certain circumstances, yes.
Steel fuel can't melt Jet beams
With hundreds or thousands of tonnes on top as additional weight then yes. Plus, when the infrastructure has already been weakened, the building is more prone to collapse anyway
It wasn't the jet fuel melting the steel beams, but the fact that an AIRPLANE crashed into the building.
yes but how does a building explode before the plane hits