What are the products of the following combustion reaction? 2c2h2(g) + 5o2(g) → c4h2(g) + h2o2(g) + 4o2(g) 4c(s) + 2h2o(g) + 4o2(g) 4co2(g) + 2h2o(g) 4co2(g) + h2o(g) + 2o2(g)

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride