黑龙江省哈尔滨市2017年中考化学真题试题(含解析)
黑龙江省哈尔滨市2017年中考化学真题试题可能用到的相对原子质量:H—1C—12N—14O—16S—32Fe—56Cu—64一、选择题(1—27小题,每小题2分,共54分,每小题只有一个正确答案)1.哈尔滨大街小巷有许多的营养早餐车。为市民提供了丰富多样的食品。下列食品中富含营养素种类最多的是()A.油条B.大米粥C.面包D.汉堡【答案】D【解析】大米、油条、面包含有的主要营养素都是糖年汉堡提供的营养素有糖类蛋白质、维生素等。选D2.下列实验操作错误的是()A.检查装置的气密性B.过滤C.液体的量取D.稀释浓硫酸【答案】B3.下列过程中不发生化学变化的是()A.胆矾的研碎B.过氧化氢分解C.燃...
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