Piyush Maheshwari
Nov 2, 2023 • 1h
Bharat Panchal
Feb 27, 2022 • 2h
53K followers • Chemistry
Mar 14, 2022 • 1h 40m • 228 views
Group 13 elements , physical and chemical properties of group 13 elements ,boron, important compounds of boron and their reactions ,based pyqs. compounds of aluminium .