下列物质的用途，利用了物理性质的是（）A．O2供给呼吸B．盐

更新 2022-09-04
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下列物质的用途，利用了物理性质的是（　　）

A．O₂供给呼吸B．盐酸用于除锈

C．钢材做高压锅D．氢气用作燃料

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