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reactions - Chemistry Previous Year Asked Questions with Answers (Urdu) - ObjectiveMCQ

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SubjectsChemistryreactions

reactions in Chemistry : PYQs with Answers

1 questions · Page 1 of 1

SSC CGL 2023Reactions

1.

In the reaction $2Mg + O_2 \rightarrow 2MgO$ , magnesium is:

A

Reduced

B

Oxidised

C

Neither oxidised nor reduced

D

Acting as an oxidising agent

View Answer

Correct Answer: B — Oxidised

Explanation:

Magnesium loses electrons to oxygen, so it is oxidised. Oxygen is reduced. This is a redox reaction.