Question 1
How does General Grievous die?
- AHe is cut down by Mace Windu's lightsaber
- BHis ship is destroyed in the space battle over Coruscant
- CObi-Wan shoots him with a blaster, igniting his organsCorrect
- DAnakin crushes him with the Force
After their duel on Utapau, Obi-Wan uses a blaster to shoot Grievous in his exposed organic innards, causing him to burst into flames.
As seen in: Revenge of the Sith(Film)
Wookieepedia: Revenge of the Sith