In this video, we solve an important IGCSE Chemistry multiple-choice question on **heating curves and changes of state**. Learn how to identify when particles change from being in fixed positions (solid) to becoming mobile (liquid) and how to interpret heating curve graphs correctly.

📚 Topics Covered:  
✔️ Heating curves  
✔️ Melting and boiling points  
✔️ States of matter  
✔️ Particle behavior in solids, liquids, and gases  
✔️ IGCSE Chemistry exam techniques  
✔️ Multiple-choice question solving strategies

This question is commonly tested in Cambridge IGCSE Chemistry (0620), so make sure you understand the concept behind the answer and not just the solution.

🎯 Perfect for:

* IGCSE Chemistry students
* Cambridge 0620 exam preparation
* Last-minute revision
* Science concept reinforcement

💡 Pause the video and try answering the question before the explanation!



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IGCSE Chemistry Heating & Cooling Curves Explained | Exam Question Walkthrough