Answer:
I am black when you buy me, red when you use me. When I turn white, you know it's time to throw me away. What am I?
I am a box which holds keys but not locks. With the right combination, I may unlock your soul. What am I?
I am the kind of dog that chases anything red. What am I?
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I am higher than the king. What am I ?
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?