Good Riddles

Question: Which is correct "The yolk of the egg is white" or "The egg yolk is white?"

Question: What is the longest word in the dictionary?

Question: An ant gets onto one end of a tight rope that is 1 meter long. The ant is traveling at 1 centimeter per second, but the entire rope is being stretched an extra 1 meter (1,000 centimeters) a second (it can be stretched forever).

Will the ant ever reach the other end of the rope?

Question: If you aim to give us a shot, we'll riddle you.

What are we?

Question: Round like a apple, deep like a cup, but all the kings horses can't pull it up.

What is it?