Question

Which element is present in the exhaust of automobiles
a) Lead
b) Calcium
c) Chromium
d) Magnesium
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Answer 1

Answer:

none of these

carbon monoxide

The toxic element present in automobile exhaust is carbon monoxide

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#Borahee B TS

Answer 2

$\bf Hey\:There\:!$

Question:

Which element is present in the exhaust of automobiles?

• a) Lead
• b) Calcium
• c) Chromium
• d) Magnesium

Answer:

(a)Lead

Lead is present in the exhaust of automobiles.

The exhaust also contains carbon monoxide and nitrogen oxides.