Organiska föreningar, enkelbilndningar (bilder)

Organiska föreningar, enkelbilndningar (bilder) - an exercise made by elliotweskola on Spellic.com.
1. Fold the right part of the paper back so that you can't se the answers.
2. Write the correct answer in the space below each question.
3. When done, fold the paper back and compare your answers.
buten
eten
okten
hexen
hepten
noten
deken
penten
propen