A solid compound 'X' on heating gives CO_(2)gas and a residue. The residue when mixed with water forms 'Y'. On passing an excess of CO_(2)through 'Y' in water a clear solution 'Z' is obtained. On boiling 'Z' compound 'X' is reformed. The compound 'X' is.....

A solid compound 'X' on heating gives CO_(2)gas and a residue. The res

1.	A solid compound 'X' on heating gives CO_(2)gas and a residue. The residue when mixed with water forms 'Y'. On passing an excess of CO_(2)through 'Y' in water a clear solution 'Z' is obtained. On boiling 'Z' compound 'X' is reformed. The compound 'X' is.....
Answer» <html><body><p>`Ca(HCO_(3))_(2)` <br/>`CaCO_(3)` <br/>`Na_(2)CO_(3)` <br/>`K_(2)CO_(3)` </p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :B</body></html>