Home › Medium Riddles › What Is Black When It Is Clean And White When It Is Dirty?What Is Black When It Is Clean And White When It Is Dirty? 23/11/2021 by Mr. Ryan Riddle: What is black when it is clean and white when it is dirty?Show AnswerAnswer: Blackboard Solve More Riddles:What Becomes White When It Is Dirty?What Goes In The Water Red, And Comes Out Black?Within, I Clean All That Is Bad And Is OldWhen Its Dirty This Should Never Be Aired In PublicWhat Stays On The Ground But Never Gets Dirty?Everyone Has It but No One Can Lose ItWhat Does A Stone Become When In The Water?With Three Eyes And A Black As NightWhat Turns From Red To Black As Soon As It Touches Water?White Bird, Featherless, Flying Out Of Paradise