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Where is the wisdom we have lost in knowledge?
Where is the knowledge we have lost in information? (T.S. Eliot, The Rock, 19 3 4)

https://youtu.be/zjrjrIomVpc?si=0ULaaTiNhvuyFPxi
Ace your O Level Chemistry exam with this comprehensive and easy-to-follow video on Macromolecules, Polymers, Esters, and Plastics! Perfect for Cambridge students, this video covers key concepts, real-world examples, and exam-relevant material in one detailed lesson.

⏱️ Timestamps for Quick Revision:
00:00 - Introduction to Macromolecules & Polymers
02:17 - Addition Polymerization (Propene, Teflon, Perspex & more)
07:33 - How to Reduce Structural Formulas of Monomers
09:55 - Condensation Polymerization (Natural & Synthetic Examples)
12:15 - Proteins, Hydrolysis & How They Form
15:01 - Nylon Formation & Reactions
16:55 - Distinguishing Between Proteins & Nylon
18:44 - Esters, Fats, Carbohydrates & Polymerization Examples
26:52 - Real-Life Uses of Addition Polymers (PVC, Teflon, etc.)
29:16 - Applications of Synthetic Fibers (Nylon, Terylene)
30:12 - Plastics and Environmental Pollution

🎯 Ideal for O Level students preparing for Paper 2 and Paper 4.
🧠 Learn with clarity, revise with confidence, and score high!

O Level Chemistry | Polymers, Esters & Plastics Explained | Full Chapter with Examples & Uses Ace your O Level Chemistry exam with this comprehensive and easy-to-follow video on Macromolecules, Polymers, Esters, and Plastics! Perfect for Cambridge stu...

A Level Physics | Universal Gravitation | Binary Stars | 9702/42 M/J 2016 Q1 Solved & Explained In this detailed A Level Physics tutorial, we solve Question 1 from 9702/42 May/June 2016, which explores the fascinating topic of Universal Gravitation usin...

https://youtu.be/AFrLK1Gf68c?si=7XBUdT8p9r0Rc0Xs
A Level Physics | Universal Gravitation | Binary Stars | 9702/42 M/J 2016 Q1 Solved & Explained
In this detailed A Level Physics tutorial, we solve Question 1 from 9702/42 May/June 2016, which explores the fascinating topic of Universal Gravitation using a binary star system example.

This video offers a step-by-step solution along with in-depth conceptual explanations, covering:

✅ Why centripetal forces on both stars have the same magnitude
✅ How to calculate the angular speed (ω) of the stars
✅ Finding the distance between the stars and the center of mass
✅ Using mass ratios to determine the mass of star B (MB)

Perfect for students preparing for Cambridge International A Level Physics exams or anyone wanting to master the gravitational dynamics of orbiting bodies.

🎓 Learn the why behind every step — not just the how!

Tariq Jehangir

A Level Physics | Universal Gravitation | Binary Stars | 9702/42 M/J 2016 Q1 Solved & Explained In this detailed A Level Physics tutorial, we solve Question 1 from 9702/42 May/June 2016, which explores the fascinating topic of Universal Gravitation usin...

https://youtu.be/K-1oiaGfGfc?si=BAO3FsXONJouGQa5
In this video, we solve Question 21 (sketching Curves, Graphs and solving equations) from the Cambridge IGCSE Mathematics (0580/21) Paper 2 (Extended), May/June 2023 examination.
I break down the solution step-by-step, explaining important concepts and methods you need to ace similar questions in your exams.
Perfect for students preparing for IGCSE 2024 and 2025 sessions!

✅ Clear explanation
✅ Full working shown
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IGCSE Maths 0580/21 | Paper 2 (Extended) | May/June 2023 | Question 21 Solved Step-by-Step In this video, we solve Question 21 (sketching Curves, Graphs and solving equations) from the Cambridge IGCSE Mathematics (0580/21) Paper 2 (Extended), May/J...

https://www.youtube.com/watch?v=3XTrX7mxLko&t=17s
Learn all about the chemistry of Alcohols for O Level Chemistry | Expert Guide with 30+ Years Experience

Mastering Alcohols for O Level Chemistry | Expert Guide with 30+ Years Experience Struggling with Alcohols in O Level Chemistry? In this comprehensive video, a seasoned Chemistry expert with over 30 years of teaching experience breaks down...

https://youtu.be/MxXFZ3S0D9U?si=5hWxPlReHCgJBRTt
View to Master Transformations: Enlargement & Rotation of a Triangle | O Level & IGCSE Mathematics

Mastering Transformations: Enlargement & Rotation of a Triangle | O Level & IGCSE Mathematics Struggling with transformations in O Level & IGCSE Mathematics? In this video, we break down Enlargement & Rotation of a triangle with step-by-step explanati...

Master Electrolysis in One Video! 🔥

Struggling with O Level Chemistry Electrolysis? This complete guide explains everything step by step, with real exam examples to help you ace your exams! 🎯

📌 Chapters for Easy Navigation:
⏳ 00:00 - Introduction
⚡ 00:29 - Definition of Electrolysis
🔬 05:11 - Process of Electrolysis
⚛️ 11:15 - Electrolysis of Ionic Compounds (Inert Electrodes)
🔀 11:53 - Selective Discharge of Ions & Reactivity Series
🧪 25:42 - Rules for Predicting Electrolysis Products in Aqueous Solutions
🔍 37:41 - Electrolysis Example: Inert vs. Reactive Electrodes (Copper II Sulphate)
🏭 37:49 - Industrial Applications of Electrolysis

💡 Key Problems & Exam Practice:
✅ Electrical vs. Electrolytic Conduction (09:17)
✅ Electrolysis of Molten Sodium Chloride & Lead(II) Bromide
✅ Effect of Concentration on Selective Discharge of Ions (24:44)
✅ Electrolysis of Aqueous Sodium Chloride (Dilute & Concentrated Brine)
✅ Electrolysis of Copper(II) Sulphate with Inert & Reactive Electrodes
✅ Factors Affecting Electrolysis (44:26)

💯 This is the ultimate revision video for O Level, IGCSE, and GCSE Chemistry students!

O Level Chemistry | Electrolysis FULL Guide | Process, Selective Discharge & Industrial Applications Master Electrolysis in One Video! 🔥Struggling with O Level Chemistry Electrolysis? This complete guide explains everything step by step, with real exam exam...