How to Deduce Molecular Formula from Structural Formula | Class 9 Chemistry Ch 4 | 2025

How to Deduce Molecular Formula from Structural Formula | Class 9 Chemistry Ch 4 | 2025
📘 Deduce Molecular Formula from Structural Formula | Stoichiometry | Chapter 4 | Class 9 Chemistry New Book 2025
In this video, you will learn how to deduce the molecular formula from the structural formula of a compound according to Class 9 Chemistry New Book 2025 (Punjab Board / PCTB).
This lecture is part of Chapter 4: Stoichiometry and is explained in a simple, step-by-step method for easy understanding.
This topic is very important for board exams, MCQs, short questions, and numerical problems. Both Urdu & English medium students can benefit from this lesson.
📌 What You Will Learn in This Video:
✅ What is a Structural Formula
✅ What is a Molecular Formula
✅ Step-by-step method to deduce molecular formula
✅ Solved examples from Class 9 Chemistry Chapter 4
✅ Common mistakes students make in exams
✅ Exam-oriented tips for Punjab Board 2025–2026
🎯 Best For:
✔ Class 9 Chemistry students
✔ Punjab Board / All Boards
✔ Exam 2025 & 2026 preparation
✔ MCQs, short & long questions
✔ Concept building in Stoichiometry
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