Chemistry · 2010
NEET 2010 · Mains · Code C · Q107
The compound A on heating gives a colourless gas and a residue that is dissolved in water to obtain B. Excess of CO_2 is bubbled through aqueous…
The compound A on heating gives a colourless gas and a residue that is dissolved in water to obtain B. Excess of $\displaystyle \mathrm{CO}_2$ is bubbled through aqueous solution of B, C is formed which is recovered in the solid form. Solid C on gentle heating gives back A. The compound is
Official answer
(1)
$\displaystyle \mathrm{CaCO}_3$
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NEET (UG) 2010 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.