Which chemical equation represents a redox reaction?(1 point)
Responses
TiCl4(s)+2H2O(g)→TiO2(s)+4HCl(g)
cap t i cap c l sub 4 left parenthesis s right parenthesis plus 2 cap h sub 2 cap o left parenthesis g right parenthesis right arrow cap t i cap o sub 2 left parenthesis s right parenthesis plus 4 cap h cap c l left parenthesis g right parenthesis
CaO(s)+SiO2(s)→CaSiO3(l)
cap c A cap o left parenthesis s right parenthesis plus cap s i cap o sub 2 left parenthesis s right parenthesis right arrow cap c A cap s i cap o sub 3 left parenthesis l right parenthesis
Fe2O3(s)+2Al(s)→Al2O3(s)+2Fe(l)
cap f e sub 2 cap o sub 3 left parenthesis s right parenthesis plus 2 cap A l left parenthesis s right parenthesis right arrow cap A l sub 2 cap o sub 3 left parenthesis s right parenthesis plus 2 cap f e left parenthesis l right parenthesis
CaCO3(s)→CaO(s)+CO2(g)