Видео с ютуба Class 7 Chemistry

GENERAL CHEMISTRY explained in 19 Minutes

Grade 7 | Science | Acids Bases and Salts | Free Tutorial | CBSE | ICSE | State Board

What Is Chemistry?

Atomic Structure Class 7 ICSE Chemistry | Selina Chapter 4 | Atom, Molecule, Atomicity, Questions

Language of Chemistry Class 7 Science ICSE | Selina Chapter 5 Evolution of Gas Chemistry

Atomic Structure Class 7 ICSE Chemistry | Selina Chapter 4 | Valency, Periodic Table

Acids and Bases | Class 7th Chemistry |