What have one eye but still cannot see?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

People put me on the table and cut me but do not eat me. What am I?

What is always in front of you but can’t be seen?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

The more it dries, the wetter it becomes. Can you tell what it is?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.