Identify each of these reactions as either synthesis, decomposition, single replacement, or double replacement.
1.) Pb(NO³)₂ + 2KI ----> 2KNO³ + PbI₂
2.) S + Oâ‚‚ ----> SOâ‚‚
3.) BaClâ‚‚ ----> Ba + CIâ‚‚
4.) Clâ‚‚ + 2NaBr ----> 2NaCI + Brâ‚‚
5.) 2Fe₂O³ + 3C ----> 4Fe + 3CO₂​