Answer:
What do you get when you mix lemons with gun powder?
My teeth are sharp my back is straight to cut things up it is my fate.
I don't live within a house nor do I live without. Most will use me when they come in and again when they go out.
I taste better than I smell. What am I?
I am a five letter word. If you remove my first letter I am a form of energy. Remove my first two and I am needed to live. Scramble the last three and you can drink me. What am I?
What never gets any wetter no matter how hard it rains?