Basics of Chemistry
Quick practice
Question 1 of 5
The Sun’s mass is mainly consisting of hydrogen. Which is the second main constituent ?
A
Carbon dioxide
B
Helium
C
Neon
D
Nitrogen
Get unlimited practice with Karnataka PSC subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go