Answer:
What instrument can you hear but never see?
There's one in every deck of cards and in a famous movie
What has a foot but no leg?
What has ten letters and starts with gas?
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?