Chapter 10, Mishna 3, 4, 5 Is it a mitzvah to eat charoset at the Seder? What are the Four Questions and why must they be asked? What were the original Four Questions and why did they change? What is the structural spine of the Passover Seder, and the Haggadah which we read at the Seder? What verse, concepts and objects must be included in the Seder? Who may lead the Seder?