下列叙述正确的是 A.烧杯作为反应容器时不能直接加热b.剩余的药品放回原试剂瓶中不能随意丢弃c.配制一定浓度的溶液量取水时俯视量筒刻度 Template




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tomski下列叙述正确的是 a.烧杯作为反应容器时不能直接加热b.剩余的药品放回原试剂瓶中不能随意丢弃c.配制一定浓度的溶液量取水时俯视量筒刻度 coloring