Mischmetal is a highly specialized, pyrophoric metallurgical alloy extensively utilized to manufactu — d and f Block Elements Chemistry Question
Question
Mischmetal is a highly specialized, pyrophoric metallurgical alloy extensively utilized to manufacture sparking flints for gas lighters. According to its standard, universally documented commercial formulation, what is its primary elemental composition?
Answer: B
💡 Solution & Explanation
Mischmetal is an alloy consisting almost entirely of inner transition elements. Its specific composition is $\approx 95\%$ Lanthanides (predominantly Cerium at $\approx 50\%$ and Lanthanum) alloyed with exactly $5\%$ Iron to impart structural integrity and sparking capability.
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