Solved UPSC CDS/OTA Question
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Q · Respiratory System Medium · 45s
Which gas has the highest solubility in blood?
TopicRespiratory System
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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CO₂ is about 20 times more soluble than O₂.
Final Answer: Option C — Carbon dioxide