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4.有關煤乾餾的敘述何者正確?(A)氣體生成物為煤氣,是單一成分氣體 (B)液體煤為化合物 (C)固體為煤焦,可製作電石氣 (D)煤乾餾之操作是在空氣中加熱 (E)煤焦可做為冶煉鋁時的還原劑 。
問題詳情
4.有關煤乾餾的敘述何者正確?
(A)氣體生成物為煤氣,是單一成分氣體
(B)液體煤為化合物
(C)固體為煤焦,可製作電石氣
(D)煤乾餾之操作是在空氣中加熱
(E)煤焦可做為冶煉鋁時的還原劑 。
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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