甘肃省兰州市2016年中考化学真题试题(含解析)
2016年兰州中考化学答案解析一:选择题1下列四个短语中,其原意一定包含化学变化的是()A花香四溢B海市蜃楼C木已成舟D蜡炬成灰答案:D2通过实验得出空气是由氧气和氮气组成这一重要结论的科学家是()A拉瓦锡B道尔顿C门捷列夫D阿伏伽德罗答案:A3下列物品所使用的材料中,不属于有机合成材料的是()A尼龙绳子B汽车轮胎C陶瓷花盆D塑料水杯答案:C解析:陶瓷花盆属于无机非金属材料4下列化学用语与意义对应不相符的是()AO2:一个氧分子B4Ne:4个氖原子CSiO2:二氧化硅D2Mg2+:两个镁离子带两个单位的正电荷答案:D解析:2Mg2+:两个镁离子5下列仪器,既能做反应器皿又能直接加热的是()A烧...
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