Answer:
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
A butcher is 6 feet tall and wears size 12 shoes. What does he weigh?
You can see it everyday, but cannot touch it at will. What is it?
To cross the water, I'm the way. For water I'm above, I touch it not and truth to say, I neither swim nor move. What am I?
What is black when it's clean and white when it's dirty?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.