Question

CO is more toxic CO2 because it-
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1- Damages lungs
2-Form acid with water
3-Affects the nervous system
4-Reduces the oxygen carrying capacity of haemoglobin.
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give correct option with explanation..
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plzz urgent

Answer 1

4..
because it affects lungs
and act as resistance for passing of oxygen

Answer 2

it forms carboxy haemoglobin when reacts with haemoglobin which reduces the oxygen carrying capacity