Below you can find the It's to make clear by removing impurities; you do it to butter & stock Jeopardy Words Answer. The answer to It's to make clear by removing impurities; you do it to butter & stock has 7 letters. This clue belongs to the Cooking category and is part of Jeopardy Word Level 809. If you scroll near the bottom you will find other clues and answers part of level 809