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10. ( )一般我們都採用排水集氣法來收集氧氣,使用這種方法主要是依據氧的哪一性質? (A)氧氣密度較空氣大 (B)氧氣為無色氣體 (C)氧氣難溶於水 (D)氧氣有助燃性。
問題詳情
10. ( )一般我們都採用排水集氣法來收集氧氣,使用這種方法主要是依據氧的哪一性質?
(A)氧氣密度較空氣大
(B)氧氣為無色氣體
(C)氧氣難溶於水
(D)氧氣有助燃性。
參考答案
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