Jee Main
D And F Block Elements
JEE Main 2026 (Online) 22nd January Evening Shift
INTEGER+4 / -12026
Among the following oxides of $3 d$ elements, the number of mixed oxides are $\_\_\_\_$ .
\(\mathrm{Ti}_2 \mathrm{O}_3, \mathrm{~V}_2 \mathrm{O}_4, \mathrm{Cr}_2 \mathrm{O}_3, \mathrm{Mn}_3 \mathrm{O}_4, \mathrm{Fe}_3 \mathrm{O}_4, \mathrm{Fe}_2 \mathrm{O}_3, \mathrm{Co}_3 \mathrm{O}_4\)