Solution X is taken into test tube 1 and made to react with dilute HCl Gas Y is evolved in the reaction which is made to pass through the delivery tube into test tube 2 having solution Z and a milky solution is obtained What are X, Y and Z respectively?

N a O H, C O_{2}, N a_{2} C O_{3}

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C a {(O H)}_{2}, H_{2}, C a {(H C O_{3})}_{2}

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C a {(O H)}_{2}, C O_{2}, C a C O_{3}

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C a C O_{3}, C O_{2}, C a {(O H)}_{2}

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Solution

The correct option is D $C a C O_{3}, C O_{2}, C a {(O H)}_{2}$
${C a C O}_{3} + H C l \to {C a C l}_{2} + {C O}_{2} + H_{2} O X Y C a {(O H)}_{2} + {C O}_{2} \to {C a C O}_{3} + H_{2} O Z$

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