Answer:
My first is equality; my second is inferiority; my whole is superiority.
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
We are five little objects of an everyday sort. You will find us all in a tennis court.
What has a mouth but can't chew?
If a man carried my burden, he would break his back. I am not rich, but leave silver in my track.
Sometimes I am white, sometimes I am dark. Most people love me. What am I?