Which of the following reactions produce(s) carbon dioxide?

Complete combustion of carbon

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Decomposition of

C a C O_{3}

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Fermentation of glucose

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Action of hydrochloric acid on lime stone

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Solution

The correct options are
A Complete combustion of carbon
B Decomposition of $C a C O_{3}$
C Fermentation of glucose
D Action of hydrochloric acid on lime stone
Reactions given in all of the options produce $C O_{2}$ . The following are the complete reactions:
$C + O_{2} Δ \to C O_{2}$
$C a C O_{3} Δ \to C a O + C O_{2}$
$C_{6} H_{12} O_{6} (s)$ $y e a s t - ------- \to a n a e r o b i c c o n .$ $2 C_{2} H_{5} O H (l)$ $+ 2 C O_{2}$
$C a C O_{3} (s) + 2 H C l (a q) \to C a C l_{2} (a q) + C O_{2} (g) + H_{2} O (l)$

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