广东省揭阳市2015年中考化学真题试题(含答案)
2015揭阳市中考化学试卷及答案可能用到的相对原子质量:H:1Al:27O:16Na:23S:32Ca:40一、选择题(每小题3分,共42分。)1、以下属于化学变化的是A、轮胎爆炸B、纸张剪成三角形C、蜡烛燃烧D、海水晒盐2、下列物品中用有机合成材料制成的是A、红木家具B、塑料饭盒C、玻璃茶杯D、铁制水管3、下列图标的实验操作正确的是A、氧气验满B、取用药品C、称取NaClD、稀释浓硫酸4、如右图所示的微观化学变化,其基本反应类型属于A、置换反应B、化合反应C、分解反应D、复分解反应5、下列有关食品安全正确的是A、用工业石膏或医疗废弃石膏制作豆腐B、炒菜中加入适量的加碘盐,预防地方性甲状腺肿大...
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