Jessesilv Jessesilv 31-07-2021 Physics contestada Which of the following is a combustion reaction? O A. 2503 (9) -> 2502 (9) + 02 (9) O B. 2Na (s) + Cl2 (9) → 2NaCl (s) C. C3H8 (g) + 502 (9) — 3C02 (9) + 4H20 (9) O D. 2KCIO3 (s) — 2KCI (s) + 303 (9)