User talk:106.78.86.29

January 2024
Hello, I'm JimRenge. An edit that you recently made to Paper chromatography seemed to be a test and has been reverted. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! JimRenge (talk) 10:11, 31 January 2024 (UTC)