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(A): Fe_(3)O_(4) is ferrimagnetic at room temperature but becomes paramagnetic at 850 K (R): The magnetic moments in Fe_(3)O_(4) ale aligned equally in parallel and antiparallel directions which on heating randomise

Answer»

Both (A) and (R) are TRUE and (R) is the correct EXPLANATION of (A)
Both (A) and (R) are true and (R) is not the correct explanation of (A)
(A) is true but (R) is false
Both (A) and (R) are false

Answer :C


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