☰
Menu
← Back to shiwamsclass.com
← Website
Home
Free quizzes
Free mock tests
All mock tests
CBSE Class 10
CBSE Class 12
Bihar Board 12
JEE Main
JEE Advanced
Chapter-wise PYQ
CBSE Class 10 PYQ
CBSE Class 12 PYQ
Bihar Board 12 PYQ
JEE Main PYQ
JEE Advanced PYQ
Sign in
← shiwamsclass.com
← JEE Advanced PYQ
Some Basic Concepts of Chemistry
JEE Advanced · Chemistry · 9 past questions
Topic
Atomic and molar mass
1
Laws of chemical combination
0
Mole concept and Avogadro number
0
Significant figures and measurement
0
Stoichiometry and limiting reagent
0
Level
Easy
1
Moderate
0
Year
2022
0
2021
0
2020
0
2018
0
2014
0
2010
0
2009
1
1 of 9 ·
show all
Q9
2009 Paper 1
Given that the abundances of isotopes $^{54}$Fe, $^{56}$Fe and $^{57}$Fe are 5%, 90% and 5%, respectively…
Try it →