Categories Chemistry Cat Jokes What Is The Most Important Rule In Chemistry? Post author By chemistryjokes Post date September 19, 2016 No Comments on What Is The Most Important Rule In Chemistry? A. Never lick the spoon! See also Johnny Was A Chemist's Son ← I Blew Up My Chemistry Experiment → Hey Ladies Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.