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(N/A) $(iii)$ Ferrimagnetism: The substances in which the magnetic moments of the domains are aligned in parallel and anti-parallel directions,in uneq

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(N/A) $(iii)$ Ferrimagnetism: The substances in which the magnetic moments of the domains are aligned in parallel and anti-parallel directions,in unequal numbers,are said to exhibit ferrimagnetism.
Examples include $Fe_3O_4$ (magnetite),and ferrites such as $MgFe_2O_4$ and $ZnFe_2O_4$.
Ferrimagnetic substances are weakly attracted by a magnetic field as compared to ferromagnetic substances. On heating,these substances become paramagnetic.
Schematic alignment of magnetic moments in ferrimagnetic substances: (Up,Down,Down,Up,Down,Down)

List-$I$ (Type of solid)	List-$II$ (Example)
$(A)$ Metallic	$(1)$ Diamond
$(B)$ Ionic	$(2)$ Ice
$(C)$ Molecular	$(3)$ $NaCl$
$(D)$ Covalent	$(4)$ $Cu$

Explain the following with suitable examples:
$(iii)$ Ferrimagnetism

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Explain the following with suitable examples:$(iii)$ Ferrimagnetism