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← HistoryDuring the Bronze Age, which disadvantage resulted when smelted copper was contaminated with arsenic during toolmaking?
A)Increased material shattering during strikes✓
B)Elevated flexibility and bending failures
C)Accelerated oxidative degradation processes
D)Reduced resistance to thermal expansion
💡 Explanation
Arsenic impurities introduce brittleness because grain boundary segregation weakens the metallic bonds via embrittlement, therefore tools shatter more readily upon impact, rather than exhibiting ductility, which resists cracking and bending under stress.
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