Question:
A solid compound X on heating gives CO gas and a residue The
Last updated: 7/3/2023
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A solid compound X on heating gives CO gas and a residue The residue mixed with water forms On passing an excess of CO through Y in water a clear solution Z is obtained On boiling Z compour X is reformed The compond X is 1 CaCO3 2 Na CO 3 K CO 4 Ca HCO3 2