摘要:26.找规律:(1)H2→ →O2→Fe3O4→Fe.(2) →Cl2→NaClO→KClO3→HClO4,(3)C2H4→C3H6→ →C5H10 .
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找规律(用化学符号填空):
(1)HCl→ →NaClO→HClO3→KClO4 (2)H2→ →O2→Fe3O4→Fe
(3)CH4O→ →C3H8 O→C4H10 O (4)O Si Fe Ca.
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(1)HCl→
(3)CH4O→