金屬活性表：. 鉀＞鈉＞鈣＞鎂＞鋁＞碳＞鋅＞鉻>鐵>鈷>鎳＞錫＞鉛＞氫＞銅＞汞＞銀＞鉑＞金 稀硫酸具有一般酸的性質，能與鋅、鐵、錳、鎳、鋁、鎂等活潑金屬反應，釋出氫氣，而不與銅等不活潑金屬(活性在氫以後等金屬)發生產生氫氣的反應。 以鐵為例： Fe (s) + H2SO4 (aq) → H2 (g) + FeSO4 (aq)
b以外選項內皆有含可以與硫酸作用的金屬，故答案為b。
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