Question

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

(a) Cadmium

(b) Chromium

(c) Lead

(d) Copper

Answer 1

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Option B

Chromium is a metal which causes pollution to the air of a city that has a large number of automobiles

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Answer 2

Answer:

option B.

➡️ Chromium is the metal which pollutes the air in the city having a large number of automobiles.

Explanation:

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