化学用语专题提高训练按要求写出化学符号①碳酸根___________ ②硫酸根__________③氢氧根___________ ④硝酸根__________⑤铵根_____________按要求写出下列反应的化学方程式1.将氢氧化钠溶液滴加到硫酸铜溶液中,有蓝色沉淀生成,加热蓝色沉淀,又有黑色固体生成。_____________________________________________________2.大理石和稀盐酸反应，生成了一种能使澄清的石灰水变浑浊的气体。______________________________________________________3.将汞放置在密闭的容器中加热一段时间后变成了红色，红色的氧化汞受热后分解生成了汞和氧气。______________________________________________________4.红磷燃烧_______________________________________________________5.硫燃烧硫在空气中燃烧的现象为：______________________________________硫在氧气中燃烧的现象为：_______________________________________方程式：____________________________________________6.细铁丝在纯净的氧气中燃烧（注：细铁丝在空气中不能燃烧）_________________________________________________________7.木炭燃烧__________________________________________________________8.氢气燃烧氢气无论在空气中燃烧还是在氧气中燃烧都发出________________________9.氢气在氯气中燃烧___________________________________________________10.分解过氧化氢溶液制取氧气___________________________________________________11.加热氯酸钾制取氧气___________________________________________________12.加热高锰酸钾制取氧气___________________________________________________13.电解水___________________ |
