Concept X
web
HOME
Sign In
Sign Up
Language
Referral Program
Subscribe
Sign In
Refer to a friend
Refer to a friend and get 25000 MMK
Share Code
Primary
Middle Grade
High Grade
grade-1
grade-2
grade-3
grade-4
Subscribe
Gradee - 11
..
Change Grade
Sign In
Chemistry
Chemistry | grade-11
Instructor
U Ba Thein
Enter Course
17496
625 Lectures
16 Hours
625 Lectures
16 Hours