Chemistry 2nd sec ElMoasser Model Exam on Unit 2 [ with revision ]
49:26
Chemistry 2nd sec 1st term Model Exam 2021
29:05
Chemistry 2nd sec ElMoasser Test 2nd month 1st term
44:42
Chemistry 2nd sec Unit (2) Lesson (3b) Oxidation number [ + Elmoasser Questions ]
1:14:41
Chemistry 2nd sec Unit (2) Lesson (3a) Metallic and Non-metallic [ +ElMoasser questions ]
1:22:47
Chemistry 3rd sec Unit4 ( Electrochemistry ) Lesoon (2) Galvanic cells [+ ElMoasser Questions ]
23:03
درس المتغير العشوائي المتقطع و توزيع الاحتمال - إحصاء الصف الثالث الثانوي -المحاضرة ١٤ - الوحدة ٤
1:00:59
Chemistry 3rd sec Unit (4) Electrochemistry Lesson (3)[ Corrosion of metals ]+[ Elmoasser Questions]
1:21:52