1.
Much: fun, hobbies, money, music, time
Many: friends, people
2.
2 Have you got much music on your MP3 player? Yeah, I 've got about 300 songs on it.
3 How many people go to the chess club? About twelve.
4 Do you have much free time ? Not after school, but I do at weekends.
5 I want a new hobby, but I don't have much money.