មេរៀនសង្ខេបលំហាត់គីមីថ្នាក់៩

The Grade 9 Chemistry and Exercise Program is an extract from the Ministry of Education's Ministry of Education's Secondary Education Program for High School Examination.

There are lessons:

CHAPTER 1: Oxygen and Hydrogen

   - Lesson 1: Oxygen

   - Lesson 2 Burning and applying oxygen

   - Lesson 3 Hydrogen

   - Lesson 4 Hydrogen characterization and application

Chapter 2 Water and Sulfur

   - Lesson 1 Water

   - Lesson 2 Water composition

   - Lesson 3 Solution

Chapter 3: Acid, salt, salt, salt

   - Lesson 1: Chemical Valves

   - Lesson 2: Oxygen

   - Lesson 3 Acid

   - Lesson 4 - Bass

   - Lesson 5 Salt

10 Things To Learn About

The mobile app includes books for all grade levels, including elementary, secondary, high school, etc.

- A Khmer Book

- Mathematics Books

- Physics Books

- Handbook of Chemistry

- Civics Handbook

- Home Books

- Geography Book

- History books

- Earth Book

- Social Textbook

- Science Books

- version book

Wishing you all a successful academic and passing exam.