\( \mathrm{SO}_{2} \) and \( \mathrm{CO}_{2} \) both turn lime water (A) milky, \( \mathrm{SO}_{...

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\( \mathrm{SO}_{2} \) and \( \mathrm{CO}_{2} \) both turn lime water (A) milky, \( \mathrm{SO}_{2} \) also turns \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} / \mathrm{H}^{+} \)(B) green while \( \mathrm{O}_{2} \) is soluble in pyrogallol (C) turning it black. These gases are to detected in order by using these reagents. The order
\( \mathrm{P} \) is -
(B) (B), (C), (A)
(C) (B), (A), (C)
(D) (A), (C), (B)
W.
(A) (A), (B), (C)
(B), (C), (A)
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