Which is the lightest gas - Practice (English) | ObjectiveMcq

Loading practice 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

Which is the lightest gas - Practice (English) | ObjectiveMcq

PracticeChemistryNoble GasesWhich is the lightest gas...

Noble Gases ChemistryEasy

1,437 views

Which is the lightest gas

Correct Answer:

(C) Hydrogen

Explanation:

Hydrogen

Related Practice

The oxidation state of Cr in Cr (CO)6 is
The pH is defined as
All noble gases are ?
Number of water molecules in the drop of water,if 1 ml of water has 20 drops and A is Avogadros number, is
Metals tend to......................electrons and nonmetals tend to......................electrons.
One of the following chemical acts as both coagulant and softening agent
During electrolysis, anions undergo
The number of electrons in 3d sub shell for element with atomic number 26 is