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35.圖(十)為對兩塊銅塊分別進行甲和乙兩種操作的示意圖,關於這兩種操作造成外觀上的改變是否為化學變化,下列判斷何者正確? 圖(十) (A)兩種都是 (B)兩種都不是 (C)只有甲操作是 (D)只有
問題詳情
35.圖(十)為對兩塊銅塊分別進行甲和乙兩種操作的示意圖,關於這兩種操作造成外觀上的改變是否為化學變化,下列判斷何者正確?
圖(十)
(A)兩種都是
(B)兩種都不是
(C)只有甲操作是
(D)只有乙操作是
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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