Respuesta :
The answer is A because it is used in most industries to create a blueish purple glaze for pottery. I hope that I could be a help and contact me if you need my help! If you can please mark this brainliest! Have a great day!
Answer:
The answer would be A. blue-violet
Explanation:
I'm just that smart . . . Jk, I took the test and looked at my notes.