2022年辽宁省盘锦市中考化学真题(空白卷)
2022年盘锦市初中学业水平检测化学试卷可能用到的相对原子质量:H-1O-16第一部分选择题(共10分)(本题包括10道小题,每小题1分,共10分。每小题只有一个最符合题目要求的选项)1.下列变化中与其他三个存在本质区别的是A.瓷碗破碎B.金属生锈C.动物呼吸D.醋的酿造2.下列物质中属于合成材料的是A.青铜B.棉花C.涤纶D.羊毛3.下列基本实验操作正确的是A.读液体体积B.测溶液pHC.熄灭酒精灯D.蒸发4.下列常见物质不属于有机物的是A.C6H12O6B.K2CO3C.C2H5OHD.CH3COOH5.“可燃冰”开采中,如果甲烷气体大量泄漏会引起的环境问题是A.臭氧空洞B.酸雨C.温室效...
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