题目内容：
下列说法不正确的是（）。
A二氧化碳是酸雨的主要成分
B氢气是一种理想的清洁燃料
C碳酸氢钠可用于治疗胃酸过多
D氯化铁溶液可用于制作印刷铜电路板
答案解析：
单选题：下列说法不正确的是（）。A二氧化碳是酸雨的主要成分B氢气是一种理想的清洁燃料C碳酸氢钠可用于治疗胃酸过多D氯化铁溶液可用于制作印刷铜电路板
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