I'm red, blue, purple, and green

Question: I'm red, blue, purple and green.
No one can reach me, not even the queen.

What am I?

Question: He has married many women, but has never been married. Who is he?

Question: Without me you will not live. Without me you will not love. Without me you have no courage,what am i?

Question: What tastes better than it smells?

Question: What goes in the water black and comes out red?

Question: What loses its head in the morning and gets it back at night?