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Misch metal is...

Misch metal is

A

An alloy of aluminium

B

A mixture of chromium and lead chromate

C

An alloy of lanthanoid metals

D

An alloy of copper

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**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks about the composition of Misch metal and what it is primarily used for. 2. **Identifying the Options**: The options provided are: - An alloy of aluminum - A mixture of chromium and lead chromate - An alloy of lanthanide metals - An alloy of copper 3. **Analyzing the Composition of Misch Metal**: Misch metal is known to be a mixture that primarily consists of various lanthanide metals. The typical composition includes: - 50% Cerium - 25% Lanthanum - 15% Neodymium - 10% Other rare earth metals 4. **Understanding the Use of Misch Metal**: Misch metal is commonly used in the production of flint, which is a spark-producing agent. It is often alloyed with iron to create flint for cigarette lighters. 5. **Conclusion**: Based on the analysis, Misch metal is best described as an alloy of lanthanide metals. **Final Answer**: Misch metal is an alloy of lanthanide metals. ---

**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks about the composition of Misch metal and what it is primarily used for. 2. **Identifying the Options**: The options provided are: - An alloy of aluminum - A mixture of chromium and lead chromate - An alloy of lanthanide metals ...
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