I can't answer all of them but 3, 6 and 7 are false. I'm not 100% sure about the others
1. Düsseldorf
2. 17,93 Million (2019)
3. 34.098 km²
4. Rheinland-Pfalz
5. Eintopf aus Rindfleisch und Zwiebeln
6. Kölner Dom (cologne cathedral)
7. NRW Isn’t but those city’s in NRW are: Attendorn, Warburg und Wipperfürth
8.Köln/Cologne
9.Rhein
10. Niederlande/Netherlands
11. Konrad Adenauer/ Ludwig Van Beethoven
13. Bremen
Answer:
You could say "Hallo! ich bin (name here)". Or "Mein name ist (name here)".
These are two pretty common ways you can do it!
Hope this helps
