Harry Potter's Patronus Charm

Harry Potter's Patronus Charm trivia questions

1. What is the name of the spell used to conjure a Patronus?
2. Which Hogwarts professor first teaches Harry Potter the Patronus Charm?
3. What form does Ron Weasley's Patronus take?
4. In what year does Harry first successfully produce a full corporeal Patronus?
5. What is the connection between a wizard's Patronus form and their romantic feelings?
6. Which character's Patronus changes form during the series, and why?
7. What does Dumbledore claim his Patronus form represents about himself?
8. How many of Voldemort's Horcruxes does Harry destroy using Fiendfyre before the final battle?
9. What specific memory does Harry use to conjure his Patronus when first learning the charm?
10. Why does Snape's Patronus match Lily Potter's Patronus form in the books?