MCQ
In making gun-berrel, the steel used is
- A$Fe - Mn$
- B$Fe - Cr$
- C$Fe - W$
- ✓$Ni - Mo$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
(Molar mass $= 98\,g\,mol^{-1}$ ) by mass will be