Hydrogen || Hard Water & Soft Water || Part-4 || Class XI || #btosacademy
18:27
Hydrogen || Removal of Hardness of Water || Part-5 || Class XI || #btosacademy
25:47
Hydrogen || Calgon Method to Remove Hardness of Water || Part-6 || Class XI || #btosacademy
19:36
Biodiversity || Biodiversity Conservation || Environmental Conservation || Part-7 || #btosacademy
44:52
Change in profit sharing ratio among the existing partners. Concepts explanation #dkgoel #tsgrewal
49:43
Revision of LPG | #class12th #economics #cbse #boardexam
33:00
S Block Elements || Anomalous behaviour of S & P Block || Class 11 || Part -2 || XI || #btosacademy
25:43
S Block Elements || Salient Features of Oxides || Class 11 || Part-3 || Class XI || #btosacademy
20:36