今年我市的化学实验操作考试有“制取并收集一瓶二氧化碳”的考题

今年我市的化学实验操作考试有制取并收集一瓶二氧化碳的考题.

   

1)指出标号的仪器名称            

2)实验室制取二氧化碳选用的发生装置和收集装置为           (填序号),反应的化学方程式为                                 

 

答案

  1集气瓶      2BD    CaCO3 + 2HCl == CaCl2 + H2O + CO2

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