Скачать или смотреть ⭐ Class 11 Chemistry | Some Basic Concepts of Chemistry | Chapter 1 Introduction

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In this video, we begin the Chapter Introduction of Class 11 Chemistry – Some Basic Concepts of Chemistry, explained in the simplest and most student-friendly way.

With clear board explanations ✏️, real-life examples, numerical understanding, and concept-wise breakdown, this session builds a strong foundation for mastering the basics of chemistry. Perfect for students preparing for Class 11 exams, NEET, and JEE with full confidence! 🔥📘

📘 🔰 Chapter Introduction – Some Basic Concepts of Chemistry (Class 11 Chemistry)

In this session, we cover all the fundamental concepts that form the base of the entire chemistry syllabus:

✔️ What is Chemistry? – Meaning, importance, and role in daily life
✔️ Importance of Basic Concepts – Foundation for solving numerical problems

🔍 Topics Covered
✔️ Laws of Chemical Combination – Conservation of mass, constant composition, multiple proportions, Gay-Lussac’s law, Avogadro’s hypothesis
✔️ Dalton’s Atomic Theory – Postulates & modern modifications
✔️ Atomic & Molecular Concepts – Atomic/molecular/formula mass, mole concept
✔️ Mole Concept – Avogadro number, mole calculations
✔️ Stoichiometry – Mole–mass–volume relationships, limiting reagent
✔️ Percentage Composition – Mass %, empirical & molecular formulas
✔️ Significant Figures – Rules & rounding-off techniques

🕒 Timestamps

0:00 – 👋 Introduction & Welcome
0:12 – 🧪 What is Chemistry?
0:38 – 📘 Importance of Basic Concepts
1:10 – ⚖️ Laws of Chemical Combination
2:22 – 🔢 Dalton’s Atomic Theory
3:15 – ⚛️ Atomic, Molecular & Formula Mass
4:26 – 🔍 Mole Concept Introduction
6:10 – 🧮 Mole Calculations
7:45 – 🔄 Stoichiometry & Limiting Reagent
9:18 – 🧩 Percentage Composition
10:40 – 📐 Empirical & Molecular Formulas
12:05 – ✖️ Significant Figures
13:30 – 📝 Summary of Concepts
14:50 – 🎯 Practice Questions
16:00 – 🎉 Chapter Introduction Completed

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✨ Easy NCERT explanations
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