Question

Which of the following statement is not correct?
(a) Paramagnetic substances lose their magnetism in the absence of magnetic
field.
(b) Diamagnetic substances are weakly magnetised in magnetic field in opposite
direction.
(c) Ferromagnetic substances becomes paramagnetic on heating.
(d) In antiferromagnetism domains are oppositely oriented and cancel out each other magnetic moment . (a) an element containing an odd number of electron is (a) paramagnetic (b) diamagnetic (c) antiferromagnetic (d) none of these
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Answer 1

Explanation:

c ferromagnetic substance becomes paramagnetic on heating