GUYS HELP ME FAST ASAP Which of the following ARE decomposition reactions. Check all that apply. A. 2SO3(g)⇒2SO2(g)+O2(g). B. K2CO3(s)⇒+CO2(g). C. 2LiOH(s)+CO2(g)⇒LiCO3(s)+H2O(l). D. 2Na(s)+Cl2(g)⇒2NaCl(s)