https://onlinetoptutor.com/wp-content/uploads/2021/11/logoo-300x75.png00Karishttps://onlinetoptutor.com/wp-content/uploads/2021/11/logoo-300x75.pngKaris2022-04-07 18:18:172022-04-07 18:18:17three inks have only one colour which three are they chromatography