問題詳情
25.鉛蓄電池在放電過程中,其電解液的比重有何變化?
(A)降低
(B)升高
(C)不變
(D)密度增加
(A)降低
(B)升高
(C)不變
(D)密度增加
參考答案
答案:A
難度:簡單0.702703
統計:A(78),B(17),C(14),D(2),E(0)
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