1如图1为某同学设计的氢气还原氧化铜的微型实验装置微型滴管内装稀硫酸.�实验时应先挤压微型滴管还是先点燃微型酒精灯先挤压微型滴管.� Template




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tomski1如图1为某同学设计的氢气还原氧化铜的微型实验装置微型滴管内装稀硫酸.�实验时应先挤压微型滴管还是先点燃微型酒精灯先挤压微型滴管.� coloring