What is ferromagnectic substances answer one or two sentemses
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Ferromagnetic substances are those which shows a permanent magnetic property. Ferromagnetism occurs due to spontaneous alignment of Magnetic moments associated with unpaired electrons in the same direction. Eg : Fe,Co,Ni,CrO2.
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Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets. ... Only a few substances are ferromagnetic. The common ones are iron, cobalt, nickel and most of their alloys, and some compounds of rare earth metals.
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