为您找到与高一化学铝及其化合物的化学方程式相关的共 892 个结果:
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高一年级12月月考化学试卷相对原子质量:H-1C-12N-14O-16Na-23Cl-35.5S-32K-39Fe-56一、选择题:本题共18个小题,每小题3分
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绝密★启用前(全国卷)化学参考答案7.C【解析】纤维素和糖类都是含C、H、O元素,蛋白质含有C、H、O、N等元素,A项错误;碳量子点含有含氧官能团,石墨是碳单质
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