User talk:BobAlllen123456789

Please refrain from making unconstructive edits to Wikipedia, as you did at Talk:Chemical reaction. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Repeated vandalism can result in the loss of editing privileges. Thank you. -- Ed (Edgar181) 17:56, 27 October 2015 (UTC)