Q81 / 180 · JIPMER 2015 · Chemistry

Figure The chemical formulae of $X, Y$ and $Z$ are $$ \begin{array}{|c|c|c|c|} \hline & x & Y & z \\ \hline \text { } & \mathrm{CaO} & \mathrm{Ca}(\mathrm{OH})_2 & \mathrm{NaOH} \\ \hline \text { } & \mathrm{NaOH} & \mathrm{CaO} & \mathrm{CaCO}_3 \\ \hline \text { } & \mathrm{NaOH} & \mathrm{Ca}(\mathrm{OH})_2 & \mathrm{CaCO}_3 \\ \hline \text { } & \mathrm{Ca}(\mathrm{OH})_2 & \mathrm{NaOH} & \mathrm{CaCO}_3 \\ \hline \end{array} $$

  • A
    $\mathrm{NaOH}, \mathrm{CaO}, \mathrm{CaCO}_3$
  • Correct answer
    B
    $\mathrm{Ca}(\mathrm{OH})_2, \mathrm{NaOH}, \mathrm{CaCO}_3$
  • C
    $\mathrm{CaO}, \mathrm{Ca}(\mathrm{OH})_2, \mathrm{NaOH}$
  • D
    $\mathrm{NaOH}, \mathrm{Ca}(\mathrm{OH})_2, \mathrm{CaCO}_3$

Hence, the correct answer is option: 'B'.

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