00:00see silver test for bengal and two earrings come here we will do silver first we will put the bengal
00:07and we will put it in the beaker and then we will put it in the pipette
00:17and we will put it in the hot plate
00:25and then when it dissolves, we will put it in the hot plate and then we will put it in
00:31the hot plate
00:31and dilute and then we will put it in the hot plate
00:50then we will have the好余ов
00:50let us see
