A NATURAL MAGNET IS AN OXIDE OF IRON,NAME IS
Magnetite or iron oxide( Fe3O4) is the natural magnet.
Which of the following statement is/are true
(i) As long as a metal has some iron in it, you can magnetize it using a magnet
(ii) A magnet is an oxide of iron, hence materials which have iron or is an oxide of iron can be made into a temporary magnet.
Which of the following natural phenomenon can cause the formation of a permanent magnet from an iron ore?