Objective Type Questions \( \mathrm{P} \) Which one of the followin...
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Objective Type Questions
\( \mathrm{P} \)
Which one of the following is colourless and highly toxic gas which reduces oxygen carrying capacity
W of blood?
(1) \( \mathrm{SO}_{2} \)
(2) \( \mathrm{CO} \)
(3) \( \mathrm{NO} \)
(4) \( \mathrm{SO}_{3} \)
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