This quiz is intended to help you develop your skills in making biodiesel. There are no trick questions, but the multiple choice answers may contain some popular misconceptions.
If you get a question wrong and aren't sure why, you can see the notes for this quiz here.
If you still don't understand the reasoning behind the answers, if you disagree with any of my answers, or if you want help on any of the questions, email firstname.lastname@example.org
and I'll try to help.