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Transport of Oxygen

" CaOH2 is c...

Question

" $C a (O H)_{2}$ is called baryta water and $B a (O H)_{2}$ is called lime water."
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Solution

$C a (O H)_{2}$ is called lime water and $B a (O H)_{2}$ is called baryta water.
Lime water and baryta water are used to detect $C O_{2}$ . When $C O_{2}$ is bubbled through these solutions, they become turbid or milky due to the formation of a suspension of solid particles of $C a C O_{3}$ or $B a C O_{2} 3$ .
Baryta water is rather too sensitive as it gives a positive test for $C O_{2}$ by exhaling breath on it, whereas with lime water, breath must be blown thhrough the solution as bubbles.

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