If you mean the staples used to hold sheets of parer together, then the answer is neither.
acidic.
basic or acidic
Acidic
Acidic
its acidic
acidic
Acidic: pH < 7 Basic : pH > 7
Lye is a strong base, which means it is basic, not acidic.
acidic
Acidic
The solution is acidic.
It is acidic