Which of the following is the most toxic gas ?
A) Carbon dioxide
B ) Carbon monoxide
C) Nitrogen
D) Hydrogen
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0
Answer:
Carbon monoxide gas is more dangerous than carbon dioxide gas. The concentration range of 3-4% of carbon monoxide decreases the oxygen carrying capacity of blood. The presence of carbon monoxide causes headache, weak eyesight, nervousness and cardiovascular disorders.
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3
Answer:
Carbon monoxide
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