1. A very powerful magnetic substances is prepared by mixing magnetite – InterviewSolution

1.	1. A very powerful magnetic substances is prepared by mixing magnetite with:a) Calcium oxide.b) Copper oxide.c) Barium oxide.d) None of these.
Answer» a very powerful magnetic SUBSTANCE is prepared by mixing magnetite with BARIUM oxide EXPLANATION:hope it helpsplease MARK me as BRAINLIEST

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