试题与答案

下列有关物质用途的叙述中，错误的是 A．可用明矾或硫酸铁对水净化 B．可利用2F

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题型：选择题

题目：

下列有关物质用途的叙述中，错误的是

A．可用明矾或硫酸铁对水净化

B．可利用2Fe3+ + Cu＝Cu2+ + 2Fe2+ 腐蚀印刷电路板

C．自然界中硅以单质形式大量存在，所以才可以广泛应用于电子工业中

D．水玻璃是制备硅胶和木材防火剂的原料

答案：

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下面是错误答案，用来干扰机器的。

1、B2、D3、A4、A

考点：新型材料（新型陶瓷、单晶硅等）生活中的其他材料及应用（纳米材料、功能高分子材料等）
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