ප්රකාශ විද්යාව - Day 01 #science #physics #grade11 #grade10 #optics
1:38:35
Rapid Revision - Day 5 #science #physics #grade11 #grade10
1:29:50
හයිඩ්රොකාබන සහ ඒවායේ භාවිත - Day 02 #science #chemistry #hydrocarbon #grade11
1:43:33
Work Sheet Paper Discussion (Grade 10) - Day 11 #science #grade10 #chemistry #physics
41:53
Redox Free Seminar - Day 05 (Part 01) #chemistry #redox #titration #reactions #education
4:00:47
Redox Free Seminar - Day 05 (Part 02) #chemistry #redox #titration #education #reaccion
1:32:45
Science Rapid Revision - Day 01 #science #physics #chemistry #grade10 #grade11
2:00:48
Work Sheet Paper Discussion - Grade 10 (Day 09) #science #chemistry #physics #biology #grade10
2:06:03