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在化学实验中,盛放反应物质的玻璃仪器经过化学反应后,往往有残留物附着在仪器的内壁,一些经过高温加热或放置反应物质时间较长的玻璃仪器还
In chemical experiments, after the glassware containing the reaction material undergoes a chemical reaction, residues often adhere to the inner wall of the instrument, and some glass instruments that have been heated at a high temperature for a long period of time are also