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A solid compound X on heating gives CO₂ and a residue . The residue mixed with water forms Y. On passing an excess of CO₂ through Y in water, a clear solution Z is obtained . On boiling Z, compound X is reformed . The compound X is
Options
(a) Ca(HCO₃)₂
(b) CaCO₃
(c) Na₂CO₃
(d) K₂CO₃
Correct Answer:
CaCO₃
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If 0.44g of a colourless oxide of nitrogen occupies 224 ml at 1520 mm of Hg and 273⁰C
- To prepare a pure sample on n-hexane using sodium metal as one reactant, the
- The pH value of 0.02 M ammonia solution, which is 5% ionised, will be
- In which following reactions aromatic aldehyde is treated with acid anhydride
- Why do calcium ions make water hard but sodium ions do not
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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