Answer:
What goes around the wood but never goes into the wood?
What do you get when you mix lemons with gun powder?
Tear me off and scratch my head what once red is now black.
What is always in front of you but can't be seen?
I pass before the sun, yet make no shadow. I'm all around you, but you cannot see me. What am I?
When is it bad luck to see a black cat?