Loading exam questions

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

Exams

SSC CGL
UPSC CSE PRELIMS
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

Electrochemistry in Chemistry - SSC CGL 2020 Questions & Answers (English) - ObjectiveMcq

SSC CGL 2020

Browse

Subjects

Chemistry1 Physics1

Topics

Electrochemistry
- Electrolysis

HomeExamSSC CGL2020ChemistryElectrochemistry

SSC CGL 2020, Chemistry, Electrochemistry - Questions and Answers

Browse the questions, answers and explanations for Electrochemistry in Chemistry, SSC CGL 2020.

1 questions · Page 1 of 1

SSC CGL 2020 ChemistryElectrochemistry

1.

During electrolysis of water, which gas is produced at the cathode?

A

Oxygen

B

Chlorine

C

Hydrogen

D

Nitrogen

View Answer

Correct Answer: C — Hydrogen

Explanation:

At the cathode (negative electrode), reduction occurs: $2H^+ + 2e^- \rightarrow H_2$ . So hydrogen is produced.

Previously Asked Questions