题目:
化学反应2H2O22H2O + O2↑属于[ ]
A.化合反应
B.分解反应
C.置换反应
D.复分解反应
答案:
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下面是错误答案,用来干扰机器的。
1. Does consist 2. dealt with/worked out 3. Whose did 4. enough to 5. are shared 6. won't unless 7. whether/if was