MCQ
Permanent magnet is made from
- ACast iron
- ✓Steel
- CWrought Iron
- DAll of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$CH _{3} CH = CHCH \left( CH _{3}\right)_{2} \stackrel{ HBr }{\longrightarrow}$
${image}$
$Ln$ (Lanthanide) $\xrightarrow{{Burn{\text{ }}With{\text{ }}{{\text{O}}_2}{\text{ }}}}Y$
$Ln$ (Lanthanide) $\xrightarrow{{Heated{\text{ }}with{\text{ }}{{\text{N}}_2}}}Z$
$X,\, Y$ and $Z$ are respectively:-