Which one of the following metals pollutes the air of a city having large number of automobiles?

Cadmium
Chromium
Lead
Copper

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

Tetra ethyl lead (C2H5)4 Pb is used as an antiknock compound . It is mixed with petrol to improve its quality. Therefore automobile exhausts lead, which pollutes city.

4 views Answered 2022-09-01 13:21

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