2010年河南省中考化学试卷及答案
2010年河南中考化学试题及答案注意事项:1.本试卷共4页,满分50分,考试时间50分钟。请用蓝、黑色钢笔或圆珠笔直接答在试卷上。2.答卷前将密封线内的项目填写清楚。题号一二三四总分分数可能用到的资料:1.相对原子质量H:1C:12N:140:16Na:23C1:35.5Ca:40Fe:56Cu:642.部分酸、碱和盐的溶解性表(200C)OH-NO3-Cl-SO32-CO32-H+溶、挥溶、挥溶溶、挥Na+溶溶溶溶溶Ba2+溶溶溶不溶不溶Ca2+微溶溶溶微溶不溶一、选择题(本题包括l0个小题,每小题1分,共10分)下列各题,每题只有一个选项符合题意,请将正确选项的标号填人题后括号内。1.“低...
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