甘肃省白银市2015年中考化学真题试题（扫描版，含答案）
白银市2015年普通高中招生化学考试12345化学部分（70分）一、选择题（本题包括10小题，每小题2分，共20分）1.A2.B3.C4.D5.C6.D7.A8.B9.C10.B二、填空与简答题（本题包括4小题，共22分）11.（每空1分，共5分）（1）669.72（2）4Ga2S2－（3）化合物12.（4分）（1）氧气、水（1分）Fe2O3＋3H2SO4=Fe2(SO4)3＋3H2O（2分）（2）防止金属锈蚀（减少金属冶炼时的浪费等）（1分）13.（5分）（1）t1℃时，a与c的溶解度相同（1分）（2）75（1分）（3）b>a>c（1分）（4）NaOH溶于水放热，c的溶解度随温度的升高而减小...
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