3.如图是用一氧化碳还原氧化铜的实验装置图.1先通入一氧化碳过一会儿再给氧化铜加热的原因是排除玻璃管内的空气防止加热时�生爆炸.2 Template




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tomski3.如图是用一氧化碳还原氧化铜的实验装置图.1先通入一氧化碳过一会儿再给氧化铜加热的原因是排除玻璃管内的空气防止加热时�生爆炸.2 coloring