盛放氢氧化钠溶液的试剂瓶若密封不严会使氢氧化钠部分变质为碳酸钠.1氢氧化钠变质的原因是 2请选一种物质能检验氢氧化钠已变质并能够除去 Template




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tomski盛放氢氧化钠溶液的试剂瓶若密封不严会使氢氧化钠部分变质为碳酸钠.1氢氧化钠变质的原因是 2请选一种物质能检验氢氧化钠已变质并能够除去 coloring