Which element among the following is ferromagnetic?

Which element among the following is ferromagnetic?
  1. Ni
  2. Cu
  3. Sc
  4. Zn

Solution

A few substances like iron, cobalt, nickel, gadolinium and $\mathrm{CrO}_2$ are attracted very strongly by a magnetic field. Such substance is called ferromagnetic substance. Besides strong attractions, this substance can be permanently magnetised.

Asked in: MHT CET 2021 (21 Sep Shift 2)

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