The sentences below have something in common. Can you determine what it is?

1. The limbo is easy to do.
2. Don't rub talc on corduroy.
3. The Valium ad is one I hate.
4. Lars likes Sweden very much.
5. What are your plans in Germany?
6. Who made this chart for Dr. Smith?
7. We caught several eight-foot snakes.
8. Schools near the Gulf rank fortieth in aid.

HINT:
Each sentence contains a related hidden word.

Answer:

Each sentence conceals a US state capital:

1. the limBO IS Easy to do
2. don't rub talC ON CORDuroy
3. the valiuM AD IS ONe i hate
4.  lars likes SweDEN VERy much
5.  what are your pLANS IN Germany
6. who made this cHART FOR Dr Smith
7. we caught seveRAL EIGHt-foot snakes
8. schools near the gulF RANK FORTieth in aid