2010年枣庄市中考化学试卷及答案
2010年山东省枣庄市中考试卷【化学部分】第I卷(选择题共16分)一、选择题(本题包括8小题,每小题2分,共16分。每小题只有一个选项符合题意)1.下列说法正确的是()A.燃烧一定有火焰产生B.物质在空气中燃烧比在氧气中更剧烈c.燃烧一定包含着化学变化D.物质跟氧气的反应就是燃烧2.将三种无色溶液加入到甲、乙、丙三只玻璃杯中,分别向其中加入碳酸钠溶液,可观察到下列现象:甲杯变为“雪碧”(产生大量气泡);乙杯变为“牛奶”(出现白色浑浊);丙杯变为“红酒”(变成红色液体)。下列说法错误的是()A.碳酸钠能和一些酸反应,生成CO2气体B.碳酸钠和某些盐溶液混合出现浑浊C.碳酸钠和某些碱溶液混合出现浑...
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