Maximum ferromagnetism is found in?
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As Iron have highest value of saturation, Magnetization $\ce{M_s}$ which is defined as the magnetic moment density when the material is subjected to a field strong enough to align all its moments.
$\ce{Fe \ 1707 \ M_{s}}$
$\ce{Co \ 1400 \ M_s}$
$\ce{Ni \ 485 \ M_{s}}$
$\ce{Fe \ 1707 \ M_{s}}$
$\ce{Co \ 1400 \ M_s}$
$\ce{Ni \ 485 \ M_{s}}$
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