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.

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

HomeQuestionsSSC CGL2023ChemistryReactionsIn the reaction $2Mg + O_2 \rightar...

SSC CGL2023Chemistry ReactionsMedium

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

Correct Answer: B — Oxidised

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

Related Questions

The maximum number of electrons that can be accommodated in the 3rd shell (n = 3) is:
During electrolysis of water, which gas is produced at the cathode?
What is the process called when a solid directly converts to gas without passing through the liquid state?
Noble gases are placed in which group of the periodic table?
What is the simplest hydrocarbon?