为您找到与高中化学铝的化学方程式相关的共 968 个结果：
成都市级高中毕业班第一次诊断性检测２０２１数学(理科)参考答案及评分意见第卷选择题共分Ⅰ (,６０)一、选择题:每小题分共分(５,６０)１．D;２．C;３．A;
成都市级高中毕业班第一次诊断性检测２０２１数学(文科)参考答案及评分意见第卷选择题共分Ⅰ (,６０)一、选择题:每小题分共分(５,６０)１．B;２．C;３．A;
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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绝密★启用前河北省2024届高三年级测评数学注意事项：1.答卷前，考生务必将自己的姓名、班级和考号填写在答题卡上。2.回答选择题时，选出每小题答案后，用2B铅笔
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