九年级化学上册第1章开启化学之门第1节化学给我们带来什么碳酸氢铵的分解素材沪教版.ppt

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碳酸氢铵的分解,农场主买了10吨化肥(碳酸氢铵)堆放在仓库里,由于运输原因,部分化肥包装袋破损,由管理员看管,过了一个夏天,农场主发现破损化肥袋里化肥变少了,但仓库里刺激性气味变浓了。农场主怀疑是管理员偷窃了化肥,而管理员矢口否认。 假如你是法官,请你明断。,请你断案,观察与思考:碳酸氢铵的分解,实验现象: 白色固体逐渐减少、试管口有白汽冒出,闻到刺激性气味,若把气体通入澄清石灰水,石灰水会变浑。,(氨气),(碳酸氢铵),(水),(二氧化碳),如何贮存碳酸氢铵,如何使用该化肥?,1、仪器:试管、铁架台、酒精灯、蒸发皿、三脚架; 2、仪器的使用; 3、碳酸氢铵的性质; 4、碳酸氢铵的保存 5、学习化学的意义。,通过此实验,我们认识了:,

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