Question

Question #67163

Answer 1

Salt water: `H_2O` and `NaCl`, liquid
Air: `N_2`, `O_2`, `CO_2`, and other gases, gas
5% ethanol: `H_2O` and `CH_3CH_2OH`, liquid
Brass: `Cu` and `Zn`, solid
Bronze: `Cu` and `Sn`, solid
`CuCl_2` solution: `H_2O` and `CuCl_2`, liquid
Carbonated water: `CO_2` and `H_2O`, liquid
Cast iron: `Fe` and `C`, solid
Packaging gas: `N_2`, `Ar`, `CO_2`, gas
`KI` solution: `H_2O` and `KI`, liquid