湖北省随州市2017年中考化学真题试题(含解析)
湖北省随州市2017年中考理综化学试题8.成语是中华传统文化的瑰宝。下列成语中包含化学变化的是A.刻舟求剑B.滴水石穿C.投鞭断流D.钻木取火【答案】D9.下列实验操作.正确的是【答案】A【解析】A、铁在氧气中燃烧,火星四射,生成黑色固体,为防止高温的生成物溅落,使集气瓶底炸裂,在集气瓶内装少量的水或西沙;B、量筒只能用于量取一定量的液体,不能用作配置溶液或做反应容器;C、称量一定质量的固体时,应遵循左物右码的原则;D、过滤时应用玻璃棒引流,防止浊液洒在过滤器外边,且漏斗末端因紧靠烧杯内壁。选A10.稀土是储量较少的一类金属的统称,有“工业维生素”的美誉,是不可再生的战略资源。铈是一种稀土元素...
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