Question:
Mischmetal is an alloy consisting mainly of:
Correct Option: 1
Solution:
Mischmetal is an alloy consisting mainly of lanthanoid metals.
Alloy $\Rightarrow$
Lan. metal $\Rightarrow \approx 95 \%$
Iron $\Rightarrow \approx 5 \%$
$\mathrm{~S}, \mathrm{C}, \mathrm{Ca}, \mathrm{Al} \Rightarrow$ traces