Classification of Elements
Quick practice
Question 1 of 5
An element X belongs to Group 1, reacts less vigorously with water, and is used to make alloys. What is element X?
A
Li
B
Rb
C
Na
D
K
Get unlimited practice with CBSE Class 11 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