Single Answer MCQ
Q-00039998
Why does silver tarnish when exposed to air?
1
It reacts with sulfur compounds
2
It oxidizes in moisture
3
It gets scratched
4
It melts in heat
Answer and Solution
Answer
A. It reacts with sulfur compounds
Solution:
Silver tarnishes due to its reaction with sulfide compounds present in the air, forming silver sulfide, which appears as a black coating.
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