مادة الكيمياء للمرحلة الثانويه

Explanation of chemistry for the secondary stage with Mr. Alaa Ramadan
Contains classes of chemistry
For the first secondary class
For the second year of high school
For the third secondary class
Explain chemistry in a simple and easy way
There are many exercises for each class
Contains questions from the Knowledge Bank
And questions from a variety of external books
Ease and smoothness of use
You can take the exam more than once until you can master
You can download photos and notes to your phone