問題詳情

17Explain why oxalic acid can be used to remove rust stains. Write a balanced equation for the reaction involved.

參考答案

答案：D
難度：簡單0.705674
統計：A(57),B(4),C(22),D(199),E(0)

用户評論

【用戶】尹苓.

【年級】國一上

【評論內容】為何是D?

【用戶】柳咲櫻

【年級】小一上

【評論內容】怎麼是D??