Mischmetall is
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → An alloy of lanthanoid metals
NCERT (2026-27 edition):
4.5.4 General Characteristics – “… A well known alloy is mischmetall which consists of a lanthanoid metal (~ 95%) and iron (~ 5%) and traces of S, C, Ca and Al.”