engineering recuitment UPMRC JE 2024 Mock Test Engineering Materials Science Structure and Properties of Engineering Materials Properties of Materials
Which of the following materials are "Antiferro" magnetic materials?
1. Ferrous oxide (FeO)
2. Manganese oxide (MnO4)
3. Chromium oxide (Cr2O3)
1
2 and 3 only
2
1 only
3
2 only
4
1, 2 and 3