Biology, 08.12.2021 20:40, deflox74

Which chemical equation represents a redox reaction?(1 point) 1.) Fe2O3(s) + 2Al(s) → Al2O3(s) + 2Fe(l)
2.) CaO(s) + SiO2(s) → CaSiO3(l)
3.) CaCO3(s) → CaO(s) + CO2(g)
4.) TiCl4(s) + 2H2O(g) → TiO2(s) + 4HCl(g)

PLEASE HELP!!!

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Which chemical equation represents a redox reaction?(1 point) 1.) Fe2O3(s) + 2Al(s) → Al2O3(s) + 2...