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The correct statements are
i) carboxy haemoglobin $[C O - H b]$ is 300 times less stable than oxygen haemoglobin
ii) Higher concentration of $N O_{2}$ damage the leaves of plants and retard the rate of photosynthesis
iii) sulphur dioxide causes irritation to the eyes
iv) dust, mist, are particulate pollutents

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$(i i), (i i i), (i v)$

$(i), (i i), (i v)$

$(i), (i i)$ only

$(i i), (i i i)$ only

answer is C.

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Detailed Solution

$CO - Hb$ is 300 times more stable then $O_{2} - Hb$

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