9th Class Chemistry Lecture Unit:1 Part :1 (PTB Syllabus)

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9th and 10th class English, Biology, Physics, Chemistry, and Computer Science Lectures for Punjab Boards. Class 9th 10th , IX/SSC-1/Matric. These Lectures are per the Latest Syllabus/Course Prescribed by the Boards of Intermediate and Secondary Education (BISEs) of Punjab Province and prescribed by the Department of Education, Punjab Government, Lahore.

In this video ,

I covered these things,

Lecture 9th class Chemistry,

Unit:1

Part:1

Fundamentals of Chemistry,

Introduction,

1.1 BRANCHES OF CHEMISTRY,

1.2 BASIC DEFINITIONS,

1.2.1 Elements, Compounds and Mixtures,

1.2.1.2 Compound,

1.2.1.3 Mixture,

1.2.1 Atomic Number and Mass Number,

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