MCQ
A metal $\mathbf{X}$ is used in thermit process. When $\mathbf{X}$ is heated with oxygen, it gives an oxide $\mathbf{Y}$, which is amphoteric in nature. $\mathbf{X}$ and $\mathbf{Y}$ respectively are:
- A$\mathrm{Fe}, \mathrm{Fe}_{2} \mathrm{O}_{3}$
- B$\mathrm{Mg}, \mathrm{MgO}$
- C$\mathrm{Mn}, \mathrm{MnO}_{2}$
- D$\mathrm{Al}, \mathrm{Al}_{2} \mathrm{O}_{3}$