Скачать или смотреть 12th Chemistry Ch-2 Solution | Full Revision + PYQs + 57 MCQ | BSEB 2026 | Unnati Gyan Ka | EHSANSIR

12th Chemistry Ch-2 Solution | Full Revision + PYQs + 57 MCQ | BSEB 2026 | Unnati Gyan Ka | EHSANSIR

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📘 Class 12 Chemistry Chapter 2 – Solutions
📕 अध्याय 2 : विलयन (Solutions)

Is video me Class 12 Chemistry Chapter 2 – Solutions ka complete revision karwaya gaya hai, jisme theory, numericals, saare PYQs (Previous Year Questions) aur 57 important MCQs ko board-exam oriented explanation ke saath cover kiya gaya hai, bilkul Bihar Board (BSEB) 2026 syllabus ke according.

This lecture is specially designed for BSEB Class 12 students, where all concepts are explained in easy Hindi + English mixed language for better understanding and maximum scoring in board exam.

🔹 इस वीडियो में क्या-क्या कवर है / What is Covered:
🔸 Theory Quick Revision

✔ Types of solutions
✔ Concentration terms: Mass %, Volume %, Molarity, Molality, Mole fraction, ppm
✔ Solubility of solids in liquids
✔ Vapour pressure of liquid solutions
✔ Raoult’s law
✔ Ideal and non-ideal solutions
✔ Positive & negative deviation
✔ Azeotropes
✔ Colligative properties
 – Relative lowering of vapour pressure
 – Elevation of boiling point
 – Depression of freezing point
 – Osmotic pressure
✔ Van’t Hoff factor
✔ Abnormal molecular mass

🔸 Numericals

✔ Step-by-step calculation
✔ Board pattern problems
✔ Formula based questions

🔸 PYQs (Previous Year Questions)

✔ Bihar Board PYQs
✔ Short answer PYQs
✔ Long answer PYQs
✔ Numerical PYQs

🔸 MCQ Practice (57 Questions)

✔ Concept based MCQs
✔ Numerical MCQs
✔ Assertion–Reason type
✔ Board pattern MCQs
✔ Common mistakes discussion

🎯 Useful For / किसके लिए उपयोगी:

• Bihar Board (BSEB) Class 12 Students
• Board Exam 2026 Preparation
• Chapter 2 Quick Revision
• PYQ + MCQ Practice
• Chemistry me score improve karne ke liye

✅ Why Watch This Video? / यह वीडियो क्यों देखें?

✔ Chapter complete in one video
✔ All PYQs covered
✔ 57 important MCQs solved
✔ Board-oriented explanation
✔ Hindi + English mix teaching
✔ Sure-marks scoring chapter

👨‍🏫 Teacher: Ehsan Sir (Teaching Since 2009)
📺 YouTube Channel: Unnati Gyan Ka (@U.G.K2009)

👉 Video pasand aaye to Like, Share aur Subscribe zaroor karein.
👉 Comment me batayein next kaunsa chapter chahiye.

🏷️ TAGS (BSEB 2026 | SEO Optimized)

12th Chemistry Chapter 2 Solutions,
Solutions Class 12 Bihar Board,
BSEB Chemistry Chapter 2,
Class 12 Chemistry Solutions Revision,
Solutions PYQ Class 12,
Solutions MCQ Class 12,
57 MCQ Chemistry Solutions,
Bihar Board Chemistry 2026,
NCERT Solutions Class 12 Chemistry,
Colligative Properties Class 12,
Raoult Law Class 12,
Unnati Gyan Ka Chemistry,
@U.G.K2009,
Ehsan Sir Chemistry,
Ehsan Sir Teaching Since 2009

🔥 HASHTAGS

#Class12Chemistry #Solutions #BiharBoard #BSEB2026 #ChemistryRevision #PYQs #MCQ #UnnatiGyanKa #EhsanSir