化学反应2H2O22H2O + O2↑属于6S-X+y7s5D:z(Y;t
请选择ABCD;Z3s*A:Q6S-X+y7s5D:z(Y;t
A.化合反应6S-X+y7s5D:z(Y;t
B.分解反应6S-X+y7s5D:z(Y;t
C.置换反应6S-X+y7s5D:z(Y;t
D.复分解反应6S-X+y7s5D:z(Y;t