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Chemistry

Inhalation of air polluted with carbon monoxide is dangerous because :

  1. CO combines with O2 dissolved in the blood.
  2. CO combines with haemoglobin of blood.
  3. CO removes water from the body and causes dehydration.
  4. CO causes coagulation of proteins in the body.

Pollution

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Answer

CO combines with haemoglobin of blood

Reason — Carbon monoxide is dangerous because it combines with haemoglobin of blood and prevents it from carrying oxygen to different parts of the body.

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