Question

which of the following is exomple of combination
exothermic reaction
(1) Formation
2) Burning f natural gal
3) Respiration​

Answer 1

Answer:

Endothermic reactions: Photosynthesis, Electrolysis of water and Decomposition of calcium carbonate.

Exothermic reactions: Burning of natural gas and Respiration.

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Answer 2

Answer:

$\bf\Large\color{Orange}{Hey...Friend}$

$\bf\Large\color{Violet}{Respiration}$ is the answer

Explanation:

$explanation$

Exothermic reaction:- A reaction in which heat is released is called exothermic reaction.

Combination reaction:- A reaction in which two or more substances combine to form a single substance

Combination exothermic reaction means two or more substances are combined to release heat.

Burning of natural gas and respiration are exothermic reaction but respiration is combination exothermic reaction because more than two substances are combined to release heat.

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