Which of the following will release \( \mathrm{CO}_{2} \) when heated to \( 1000^{\circ} \mathrm...

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Which of the following will release \( \mathrm{CO}_{2} \) when heated to \( 1000^{\circ} \mathrm{C} \) ?
(a) \( \mathrm{KHCO}_{3} \)
(b) \( \mathrm{Li}_{2} \mathrm{CO}_{3} \)
(c) \( \mathrm{K}_{2} \mathrm{CO}_{3} \)
(d) \( \mathrm{PbCO}_{3} \)
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