SI units |Lecture 2 |Chapter 12|9th class Chemistry|New Syllabus 2025

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In this video, we cover 9th Class Chemistry Chapter 12 – Empirical Data Collection and Analysis (Lecture 2: SI Units).
You will learn:
✔ What are SI Units (International System of Units)?
✔ Importance of SI Units in Chemistry and Science.
✔ How SI Units bring accuracy, reliability, and harmony in scientific data.
✔ Common SI Units for length, mass, time, temperature, and amount of substance.

This lecture is designed for Matric Class 9 Chemistry students (Punjab Board, Sindh Board, Federal Board, KPK Board, Pakistan) and helps in exams, MCQs, short questions, and long questions.

📚 By the end of this lecture, you will understand why SI Units are used globally and how they make data collection and analysis easier in Chemistry.

✨ Stay tuned for more videos of 9th Class Chemistry Chapter 12 – Empirical Data Collection and Analysis with easy explanations, solved exercises, MCQs, and short questions.

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