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Of the reactions below, which one is not a combination reaction?Immersive Reader (2 Points) 2N2 + 3H2 → 2NH3 2Mg + O2 → 2MgO 2CH4 + 4O2 → 2CO2 + 4H2O C + O2 → CO2 CaO + H2O → Ca(OH)2

Respuesta :

Answer: [tex]2CH_4+4H_2O\rightarrow 2CO_2+4H_2O[/tex] is not a combination reaction.

Explanation:

Synthesis reaction or combination reaction is defined as the reaction where two or more substances combine to form a single product.

[tex]2N_2+3H_2\rightarrow 2NH_3[/tex]

[tex]2Mg+O_2\rightarrow 2MgO[/tex]

[tex]CaO+H_2O\rightarrow Ca(OH)_2[/tex]

Combustion is a chemical reaction in which hydrocarbons are burnt in the presence of oxygen to give carbon dioxide and water.

[tex]2CH_4+4H_2O\rightarrow 2CO_2+4H_2O[/tex]

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