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CHM-2025-C45-090
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CHM · CHM-2025-C45-090
Chemistry
Which one of the following reactions does NOT belong to "Lassaigne's test"?
A
Na + C + N →(Δ) NaCN
B
2Na + S →(Δ) Na2S
C
Na + X →(Δ) NaX
D
2CuO + C →(Δ) 2Cu + CO2
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