Easy
What is pig iron?
- AIron with $4\%$ carbon content
- BPurest form of iron
- CIron with $0.1\%$ carbon content
- DIron with $10\%$ carbon content
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$4M + 8CN^- + 2H_2O + O_2 \xrightarrow{} 4[M(CN)_2]^- + 4OH^-$
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Which statement is correct?
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