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← HistoryWhich outcome occurred from arsenic enrichment of ancient Chinese cast iron?
A)Increased corrosion resistance offshore structures
B)Improved weapon blade sharpness and durability
C)Enhanced mold filling during casting processes✓
D)Decreased magnetic susceptibility for compasses
💡 Explanation
Arsenic enrichment reduced surface tension and increased fluidity via liquid-phase sintering, aiding the replication of intricate mold details for decorations. Therefore, casting replication improved, rather than better corrosion resistance because iron is oxidizable.
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