Neils Bohr's' atomic model class nine chemistry
20:50
Rutherford Atomic model
34:28
Preparation of Alkyne class Eleven chemistry
12:23
1 January से करो Boards में COMEBACK 🔥 | Last Month Strategy to Score 95% | Class 10th
22:55
Discovery of proton class nine chemistry
15:04
j.j Thomson atomic model
15:27
Rutherford Alpha scattering exp
20:53
washing soda, plaster Paris, sodium hydroxide, Bleaching powder
24:32