Science
Junior High
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請問為什麼B不行？謝謝😭
D(B)下列化學反應平衡式的寫法何者正確?
(A)Na+2H2O → NaOH +H2
(C) CaCO3 + HCl →>>
Hoon
CaO+C1+CO,
(B)C+O→ CO
(D)2Mg+O2→2MgO
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