Respuesta :

Answer:Classify each of the following chemical reactions.

S + O2 → SO2

CaCl2 + 2AgNO3 → Ca(NO3)2 + 2AgCl

Zn + CuSO4 → Cu + ZnSO4

2Na2O → 4Na + O

Explanation:

synthesis and combustion

double replacement

single replacement

decomposition only