Riddle #618

Question: You put me on a table and cut me, but you don't eat me.

What am I?

Question: What do you call a sad bird?

Question: What can be broken but never forgotten?

Question: What tastes better than it smells?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?

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