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Problem
Spiegeleisen is an alloy of : a.
Cu
+
Zn
+
Ni
\text{Cu} + \text{Zn} + \text{Ni}
Cu
+
Zn
+
Ni
b.
Ni
+
Cr
\text{Ni} + \text{Cr}
Ni
+
Cr
c.
Mn
+
Fe
+
C
\text{Mn} + \text{Fe} + \text{C}
Mn
+
Fe
+
C
d.
Fe
+
Cr
+
Ni
\text{Fe} + \text{Cr} + \text{Ni}
Fe
+
Cr
+
Ni
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