User talk:C7401004

Problems with upload of File:Chemical reaction.png
Thanks for uploading File:Chemical reaction.png. You don't seem to have said where the image came from, who created it, or what the copyright status is. We require this information to verify that the image is legally usable on Wikipedia, and because most image licenses require giving credit to the image's creator.

To add this information, click on this link, then click the "Edit" tab at the top of the page and add the information to the image's description. If you need help, post your question on Media copyright questions.

For more information on using images, see the following pages:
 * Image use policy
 * Image copyright tags

Thank you for your cooperation. --ImageTaggingBot (talk) 10:05, 15 June 2011 (UTC)