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?
Copper
Chromium
Lead
Cadmium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 2 of 2.

Jayesh nj said:   1 decade ago
Lead is used in petrol. That's why big cities are polluting by air pollution.

Pavan said:   1 decade ago
Lead is lavish in polluting the ambient area of cities because it has heaviest particulate to react time and again quickly.


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