alleryThe thermit reaction, used to join railway tracks, involves the reaction of iron(III) oxide with:
Asodium
Bzinc
Ccarbon
Daluminium
Answer & Solution
Correct answer: D. aluminium
Thermit: Fe₂O₃ + 2Al → 2Fe + Al₂O₃, a highly exothermic displacement used to weld rails.
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