我国劳动人民早在五千年前就会使用木炭炼铜.在化学实验室里模拟炼铜，即可用传统的实验装置（见图甲），用能用改进的微型实验装置（见图乙），化学兴趣小组采用图乙装置，开展以下探究活动.

【提出问题】木炭与CuO反应所得红色固体中含有什么物质？

【查阅资料】

①木炭与CuO的反应是：C+2CuO 2Cu+CO₂↑，若该反应进行的不彻底，产物中还有氧化亚铜（Cu₂O）．

②Cu₂O是红色固体，能与稀硫酸反应：Cu₂O+H₂SO₄═Cu+CuSO₄+H₂O

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