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(A) $X$ is Sodium hydrogen carbonate $(NaHCO_3)$.$Y$ is Carbon dioxide $(CO_2)$.$Z$ is Sodium carbonate $(Na_2CO_3)$.When $NaHCO_3$ is heated, it deco

Vedclass · Accepted Answer

$X = NaHCO_3, Y = CO_2, Z = Na_2CO_3$

Vedclass · Answer

(A) $X$ is Sodium hydrogen carbonate $(NaHCO_3)$.$Y$ is Carbon dioxide $(CO_2)$.$Z$ is Sodium carbonate $(Na_2CO_3)$.When $NaHCO_3$ is heated, it decomposes to form sodium carbonate, water, and carbon dioxide:$2NaHCO_3(s) \xrightarrow{	ext{Heat}} Na_2CO_3(s) + H_2O(l) + CO_2(g)$When $CO_2$ is passed through lime water $[Ca(OH)_2]$, it forms calcium carbonate, which makes the solution milky:$Ca(OH)_2(aq) + CO_2(g) ightarrow CaCO_3(s) + H_2O(l)$

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