Basic laboratory techniques । class 11 chemistry practical

Let's think different
Let's think different
28.2 هزار بار بازدید - 3 سال پیش - this video is full demonstration
this video is full demonstration of class 11 chemistry practical experiment No 1 how to cut a glass rod how to bend a glass rod, how to draw a jet from a glass rod, how to make hole in a cork
3 سال پیش در تاریخ 1400/06/17 منتشر شده است.
28,209 بـار بازدید شده
... بیشتر