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51问答网 > 1.生活中哪些物质含有氢氧化钠，各自用途是什么

1.生活中哪些物质含有氢氧化钠，各自用途是什么

2025-03-14 21:34:16

推荐回答（1个）

回答1：

（1）精炼石油。石油产品经硫酸洗涤后，还含有一些酸性物质必须用氢氧化钠溶液洗涤，再经水洗，才能得到精制产品。（2）造纸。造纸的原料是木材或草类植物，这些植物里除含纤维素外，还含有相当多的非纤维素（木质素、树胶等）。加入稀的氢氧化。

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