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介绍有关硝酸在考试中的应用,使学生从总体上认识硝酸知识点的考查,对学生的化学知识总结和应用起到引领作用。
The introduction of the application of nitric acid in examinations enables students to get an overall understanding of the knowledge of nitric acid and to guide the conclusion and application of the chemical knowledge of students.