A focused practice platform for competitive-exam MCQs, subject wise, topic wise practice, and current affairs revision.

Exams

SSC CGL
UPSC CSE
IBPS PO
RRB NTPC
CDS

Subjects

Mathematics
Physics
General Knowledge
English
Reasoning

Resources

Current Affairs
Search MCQs
Practice Sets

Company

About Us
Contact
Privacy Policy
Terms of Use
Disclaimer
Copyright

Practice library for exams, subjects, and daily revision. For learning purposes only.

© 2026 ObjectiveMcq.ComAll rights reserved

ObjectiveMcq

Print Protected

Printing this content is disabled

This page is protected for print. Use the website to view the content.

Reactions - Chemistry - SSC CGL 2023 MCQs - ObjectiveMcq

Browse

SSC CGL 2023

Browse

Years

Previously Asked - 20251 Previously Asked - 20242 Previously Asked - 20233 Previously Asked - 20223 Previously Asked - 20213 Previously Asked - 20202 Previously Asked - 20191 Previously Asked - 20181

Subjects

Biology1 Chemistry1 Physics1

Topics

HomeExamSSC CGL2023ChemistryReactions

SSC CGL 2023 Chemistry Reactions Questions

Browse the question list for Reactions in Chemistry, SSC CGL 2023.

1 questions · Page 1 of 1

SSC CGL 2023 ChemistryReactions

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

Answer and explanation

Correct Answer: B — Oxidised

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