Question

(a) Give an example of an oxidation reaction.
(b) Is oxidation an exothermic or an endothermic reaction ?
(c) Explain, by giving an example, how oxidation and reduction proceed side by side.

Lakhmir Singh Chemistry Class 10

Answer 1

a) MgO + H2 ---> Mg + H2O

b) Exothermic

c) In the above reaction
Oxygen from magnesium oxide combines with Hydrogen and forms water this is an example of oxidation.
And Hydrogen combines with oxygen and Magnesium comes out as a product which is an example of reduction.

Answer 2

Answer:

Explanation:A) MgO + H2 ---> Mg + H2O

b) Exothermic

c) In the above reaction

Oxygen from magnesium oxide combines with Hydrogen and forms water this is an example of oxidation.

And Hydrogen combines with oxygen and Magnesium comes out as a product which is an example of reduction.

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