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Question

Magnesium ribbon burns in air to produce white substance called magnesium oxide. Which type of reaction is this?


A

Exothermic reaction

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B

Endothermic reaction

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C

Oxidation reaction

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D

Exothermic and oxidation reaction

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Solution

The correct option is D

Exothermic and oxidation reaction


2Mg+O2MgO+heat+light. This is an oxidation reaction because Mg is oxidized and energy is liberated so it is also an exothermic reaction.It is a combination reaction because two reacts combined to give a single product.


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