Answer:
I am clean when Iām black dirty when Iām white.
I am a box who holds keys but not locks. With the right combination I may unlock your soul
Part carbon, part water, I am poison to the fishes. Many falsely claim my name, I am the pause that refreshes. What am I?
Whoever makes it tells it not. Whoever takes it knows it not. Whoever knows it wants it not
You have to travel far before you turn it over. What is it?
A little house full of meat, no door to go in and eat.