問題詳情
2.關於物質的敘述何者正確？
(A)水會電解生氫氣、氧氣，所以不是純物質
(B)混合物仍會具有組成成分物質的特性
(C)純物質不能再以化學方法使其成分分離
(D)純物質甲受熱分解生乙物及丙氣，則甲不可能是元素
(E)由同兩種元素組成的多種化合物，性質必相同。
(A)水會電解生氫氣、氧氣，所以不是純物質
(B)混合物仍會具有組成成分物質的特性
(C)純物質不能再以化學方法使其成分分離
(D)純物質甲受熱分解生乙物及丙氣，則甲不可能是元素
(E)由同兩種元素組成的多種化合物，性質必相同。
參考答案
答案：B,D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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