SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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wood + oxygen
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wood and oxygen
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carbon dioxide and water
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oxygen and energy
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wood and energy
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Explanation:
Detailed explanation-1: -When carbon dioxide reacts with water, carbonic acid is formed, from which hydrogen ions dissociate, increasing the acidity of the system.
Detailed explanation-2: -Carbon dioxide dissolves in water and slowly reacts with water to produce carbonic acid.
Detailed explanation-3: -Carbon reacts with oxygen to produce carbon dioxide which is an exothermic reaction, where 394 kJ/mol of heat is produced.
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