2018年湖北省随州市中考理综(化学部分)试题(word版,含答案)
可能用到的相对原子质量: H- 1 C- 12 N-14 O-16 Mg-24 S-32 Cl- 35.5 Fe-56 Cu- 64 Zn-65第I卷(选择题 共60分)第I卷共25题,每题只有一个选项最符合题意。1~ 7题为生物题,8~ 15题为化学题,16~ 25题为物理题。1~15题每题2分,16~25题每题3分。8、下列变化中,一定发生化学变化的是A.日光灯通电发光 B.澄清石灰水变浑浊 C.粮食酿酒 D.干冰人工降雨9、正确的实验操作是科学探究成功的基础,下列实验基本操作正确的是10、下 图是元素周期表中提供的碘元素部分信息及碘原子结构示意图。下列说法错误的是A.碘单质(...
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