如图所示为实验室中常见的气体制备和收集装置.请回答下列问题1若选用b装置制取氧气则�生反应的化学方程式可能为2h2o2 Mno2 Template




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Try and sketch some of theseClothesline, Spoke shave, Wok, Circus, Crumpled paper, Church lady, Seahorse, Goldfish, Booth, Bard, view more ideas


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tomski如图所示为实验室中常见的气体制备和收集装置.请回答下列问题1若选用b装置制取氧气则�生反应的化学方程式可能为2h2o2 mno2 coloring