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