Chemistry, asked by Rudranil420, 9 months ago

old oil paintings become black in today's atmosphere. why does this happen?

Answers

Answered by Abhinandhan

Explanation:

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).

Answered by ranisoma960

Answer:

Explanation:

this happens because nowdays there is to much pollution and there is adverse affect on things

the best example is taj mahal marble

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old oil paintings become black in today's atmosphere. why does this happen?​

Answers

old oil paintings become black in today's atmosphere. why does this happen?