2015年四川省成都市中考化学试卷及答案
成都市二○一五年高中阶段教育学校统一招生考试化学试题可能用到的相对原子质量:C-12O-16Ca-40第一卷(选择题,共42分)一、选择题(本题包括14个小题,每小题3分,共42分。每小题只有一个选项符合题意)1、下列变化属于化学变化的是A、酒精挥发 B、石蜡融化 C、粮食酿酒 D、水凝成冰2、空气的组成成分中,体积分数最大的是A、O2 B、N2 C、CO2 D、稀有气体3、不属于新能源开发和利用的是A、火力发电 B、风力发电 C、氢燃料客车 D、太阳能电池路灯4、通常状况下,下列溶液的溶质为液体的是A、蔗糖溶液 B、酒精溶液 C、氯化钠溶液D 、澄清石灰水5、实验室用氯酸钾和二氧化锰...
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