2016年辽宁省朝阳市中考化学试题(空白卷)
2016年辽宁省朝阳市中考化学试卷一、选择题(本题共12个小题,1~8小题,每题1分。9~12小题,每题2分,共16分)1.(1分)日常生活中的下列变化,属于化学变化的是( )A.水果榨成果汁B.晒干衣服C.小麦磨成面粉D.米饭做成米酒2.(1分)空气中含量较多且化学性质较活泼的气体是( )A.N2B.O2C.CO2D.稀有气体3.(1分)下列实验操作不规范的是( )A.氧气验满B.熄灭酒精灯C.稀释浓硫酸D.检查气密性4.(1分)已知某粒子结构示意图为,则下列说法正确的是( )A.它是阳离子B.它是阴离子C.它是原子D.它具有相对稳定结构5.(1分)保持水的化学性质的最小粒子是( ...
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