Question:
Spiegeleisen is an alloy of:
Spiegeleisen is an alloy of:
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Spiegeleisen is an alloy of iron, magnesium, and carbon, commonly used in steelmaking.
Updated On: Apr 22, 2026
- Fe, Co and Cr
- Fe, Co and Mg
- Fe, Mg, and C
- Fe, C and Mn
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The Correct Option is C
Solution and Explanation
Step 1: Identifying the components of spiegeleisen.
Spiegeleisen is an alloy made primarily of iron (Fe), magnesium (Mg), and carbon (3). It is often used as a source of carbon in the production of steel.
Step 2: Explanation of the options.
- (1) Fe, Co, and Cr: This is not spiegeleisen; it is an alloy of iron, cobalt, and chromium.
- (2) Fe, Co, and Mg: This is not spiegeleisen; it is a different type of alloy.
- (3) Fe, Mg, and C: This is the correct composition of spiegeleisen.
- (4) Fe, C, and Mn: This is an alloy, but not spiegeleisen; it is a steel composition.
Step 3: Conclusion.
The correct answer is (3) Fe, Mg, and C.
Spiegeleisen is an alloy made primarily of iron (Fe), magnesium (Mg), and carbon (3). It is often used as a source of carbon in the production of steel.
Step 2: Explanation of the options.
- (1) Fe, Co, and Cr: This is not spiegeleisen; it is an alloy of iron, cobalt, and chromium.
- (2) Fe, Co, and Mg: This is not spiegeleisen; it is a different type of alloy.
- (3) Fe, Mg, and C: This is the correct composition of spiegeleisen.
- (4) Fe, C, and Mn: This is an alloy, but not spiegeleisen; it is a steel composition.
Step 3: Conclusion.
The correct answer is (3) Fe, Mg, and C.
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