[求助] 理化
題目:
依照下列不同狀態的物質請判別出可以導電的有幾項???
甲 Au (s)
乙 NaCl (l)
丙 HNO3 (aq)
丁 石墨 (s)
戊 HCl (g)
想法:
我覺得甲乙丙丁都可以導電才是,但答案只有3項,不知道是我多了哪一個嗎??
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