General Knowledge - General Science - Discussion
Discussion Forum : General Science - Elements and Metals (Q.No. 54)
54.
Which metal pollute the air of a big city?
Discussion:
12 comments Page 2 of 2.
Kalyani said:
7 years ago
Lead is a poisonous gas.
Nishita sharma said:
11 months ago
Lead is a poisonous gas.
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