old oil paintings become black in today's atmosphere. why does this happen?
Answers
Answered by
0
Answer:
please sign up best please
Attachments:
![](https://hi-static.z-dn.net/files/dea/0d5e5303fa667a8142e907a46027226d.jpg)
Answered by
0
Answer:
Hydrogen. ... When an oil painting is constantly exposed to the atmosphere, the traces of hydrogen sulphide gas present in the atmosphere slowly blackens the painting by converting lead oxide (white) to lead sulphide (black).
Explanation:
HOPE IT WILL HELP YOU AND DON'T FORGET TO MARK ME AS BRAINLIEST
Similar questions