精品解析:2022年吉林省中考化学真题(原卷版)
化学可能用到的相对原子质量:C-12O-16一、单项选择题(每小题分,共10分)1.“吉林终有吉临时长春定复往常春”,表达了吉林人民抗击新冠疫情的必胜信念。下列防疫措施中涉及到化学变化的是A.测体温B.戴口罩C.常通风D.勤消毒2.下列气体属于空气污染物的是A.二氧化氮B.二氧化碳C.氧气D.氮气3.下列食物富含蛋白质的是A.苹果B.海带C.鸡肉D.米饭4.王安石在《梅花》中写道:“墙角数枝梅,凌寒独自开。遥知不是雪,为有暗香来。”“闻到‘暗香’”说明了A.分子在不断运动B.分子间有间隔C.分子的质量很小D.分子由原子构成5.在一定溶质质量分数的氯化钠溶液的配制实验中,墩墩同学的操作中错误的是...
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