Answer:
What can fill a room but takes up no space?
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
Of the king I am blue and of the peasant I am red. Of the frog I am cold and of the dog I am hot instead.
The more you take the more you leave behind. What are they?
I am not alive but I can die. What am I?
I always have to work with something in my eye. What am I?