Phase Equilibrium Sinhala – A/L Chemistry Complete Masterclass

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About Course

✔ Lifetime access ✔ 6+ hours video lessons ✔ Full A/L syllabus coverage
✔ Theory + Problems + Step-by-step model answers ✔ Sinhala medium

Phase Equilibrium is one of the most conceptual and diagram-based topics in A/L Chemistry. Many students find it confusing, but once understood properly, it becomes a highly scoring unit.

This masterclass is designed to help you clearly understand the concepts, confidently solve problems, and answer exam questions correctly.


In this masterclass, you will learn

✔ Vapour pressure and phase relationships
✔ Phase diagrams of pure substances and water
✔ Binary liquid systems and boiling point diagrams
✔ Ideal vs non-ideal solutions
✔ Fractional and steam distillation
✔ Nernst Distribution Law

This masterclass focuses on visual understanding + exam application, helping you:

  • Interpret graphs accurately
  • Explain concepts clearly in structured answers
  • Avoid common conceptual mistakes

All lessons are taught in simple Sinhala, with a strong exam-oriented approach.


This course is ideal for

• A/L 2026 students
• A/L 2027 students
• Students repeating A/L exam
• Students aiming for A or B grades


Resources Included

✔ Complete video lesson series
✔ Numerical problem-solving sessions
✔ Exam-style questions and discussions
✔ Printed notebook provided for the course
✔ Lifetime access


Course Duration

6+ hours of video lessons


Why this course is important

Phase Equilibrium is a highly tested and concept-heavy unit in A/L Chemistry exams.

Students often lose marks because they:

❌ Misinterpret graphs
❌ Confuse phase diagrams
❌ Cannot explain distillation clearly
❌ Struggle with binary systems

But this is actually a high-scoring topic when mastered correctly.

This masterclass trains you to:

✔ Read and interpret phase diagrams accurately
✔ Understand cause, effect relationships
✔ Write clear, structured explanations
✔ Answer both theory and application questions confidently

👉 Once you understand this unit properly, it becomes one of the easiest ways to secure marks in structured questions.


If you attended a physical tuition class covering the full Phase Equilibrium lesson, it would cost more than Rs 10,000 – Rs 15,000.

Get lifetime access with a one-time payment and revise the lesson anytime before the exam.

 

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What Will You Learn?

  • Understand equilibrium between liquid and vapour phases
  • Explain variation of saturated vapour pressure
  • Distinguish between boiling and evaporation
  • Interpret phase diagrams of pure substances and water
  • Analyze binary liquid systems and boiling point composition graphs
  • Understand non-ideal solution behavior
  • Apply concepts of fractional and steam distillation
  • Use Nernst Distribution Law in problem-solving
  • Answer structured and essay questions with confidence

Course Content

Day – 01

  • 01. සංශුද්ධ ද්‍රවයක් වාෂ්පය සමග සමතුලිත වීම
  • 02. සංතෘප්ත වාෂ්ප පීඩනය විචලනය
  • 03. තාපාංකය සහ වාෂ්පීකරණය
  • 04. සරල කලාප සටහනක්
  • 05. සංශුද්ධ ද්‍රව්‍යයක උෂ්ණත්වය වැඩි කිරීම
  • 06. සංශුද්ධ ද්‍රව්‍යයක කලාප සටහන
  • 07. ජලයේ කලාප සටහන
  • 08. ද්ව්‍යංගි ද්‍රව පද්ධතිවල ද්‍රව-වාෂ්ප සමතුලිතතාව

Day – 02

Day – 03

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