A metal compound X reacts with dil HCL to produce effervescences.The gas evolved is colourless,odourless,and turns limewater milky.Identify the gas evolved.If excess gas is passed through limewater,milky colour disappear and the solution becomes clear and form compound Y.Identify X and Y.Give balanced chemical equations.

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Solution

Dear student,
The compound X is Na₂CO₃ , reaction is ,
Na₂CO₃ + 2HCl → 2 NaCl + H₂O + CO₂( Colourless , odourless gas )
( X )
CO₂ + Ca(OH)₂ → CaCO₃ + H₂O
Lime water milky
2CO₂ + Ca(OH)₂ → Ca(HCO₃)₂
excess colourless solution ( Y )
Regards

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