Respiration in humans is an example of ___________ reaction.

Exothermic

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Combination

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Endothermic

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Exothermic and combination

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Solution

The correct option is A
Exothermic

Respiration in humans is an example of exothermic reaction. The reaction in which heat is liberated is called an exothermic reaction.

The chemical equation of this reaction is, $C_{6} H_{12} O_{6} + 6 O_{2} \to 6 C O_{2} (a q) + 6 H_{2} O (a q)$ + energy.

Energy is released in the process of respiration. A combination reaction is a reaction where two or more elements or compounds (reactants) combine to form a single compound (product), so we can see that respiration is not a combination reaction as more than one product is formed.

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Similar questions

The process of respiration is :

(a) an oxidation reaction which is endothermic

(b) a reduction reaction which is exothermic

(d) an oxidation reaction which is exothermic

C + O_{2} \to {CO}_{2} + Heat

(a) give an example for a combination reaction thats exothermic.

Question 3

Define combination reaction. Give an example of a combination reaction that is also exothermic.

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