1- The moons lo and Europa orbit which planet ?
2- Between which two cities did the world's first inter-city passenger railway run ?
3- Which British monarch was on the throne during the American war of independence ?
4- What is the third alternative name for inert or rare gases ?
5- Iron is attracted by magnets - true or false ?
Thanks
It's down to definition and nomenclature, which is why this is a stupid question. Gadolinium is ferromagnetic up to a certain temperature and paramagnetic above it.