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第Ⅰ卷（选择题，84分）一、选择题（本题包括5小题，每小题3分，共15分。每小题只有一个选项符合题意）1．将下列各组物质按氧化物、酸、碱、正盐分类顺次排列。正确的是（）（A）水晶，亚硫酸，烧碱，明矾（B）乙酸酐，氢氟酸，银氨溶液，胆矾（C）过氧化钠，石炭酸，甲醇，
Volume I (multiple-choice questions, 84 points) 1. Multiple-choice questions (this question consists of 5 short-term questions, each short-term question has 3 points, a total of 15 points. There is only one option for each small question that matches the meaning of the question). The following groups of substances are listed in order of oxides, acids, bases, and normal salts. The correct ones are () (A) crystal, sulfite, caustic soda, alum (B) acetic anhydride, hydrofluoric acid, silver ammonia solution, cholesteric (C) sodium peroxide, carbolic acid, methanol,