Which of the following compounds is metallic and ferromagnetic?
(a)CrO2
(b) VO2
(c) MnO2
(d) TiO2
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1
Answer:
Correct option (a) CrO 2 Explanation: Only three elements iron (Fe), cobalt (Co) and nickel (Ni) show ferromagnetism at room temperature. CrO 2 is also a metallic and ferromagnetic compound which is used to make magnetic tapes for Cassette recorders.
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Answer:
Your answer will be option no (a)CrO2
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