Krishna Kumar Sah
Welcome to Krishna Kumar Sah (ChembyKKSir)– Your Trusted Chemistry Mentor for NEET & JEE!
Led by Krishna Kumar Sah Sir (Ex-ALLEN & IITian’s PACE) with 15+ years of experience. Mentored NEET AIR 75, JEE AIR 48, 1000+ MBBS, 150+ NIT & 50+ IITians. Specializes in NCERT-focused Chemistry for Classes 11, 12 & Repeaters.
🎯 What You’ll Learn:
• Chapter-wise Lectures
• Organic, Inorganic & Physical Simplified
• Named Reactions & Mechanisms
• PYQ Analysis, Mock Tests & Rank Boosting Tips
🧪 Focus: Concept Clarity | Confidence | Consistency
🧑🏫 AcademicHead – EURO JEE-NEET, PCMC Pune
📍 Based in PCMC, Maharashtra
📞 WhatsApp: 7703821345
🔔 Subscribe & start your NEET-JEE success journey now!
Students Made My Day Special | A Teacher’s Most Cherished Birthday Celebration 🎂#eurojeeneet
How to Study d & f-Block Elements | Class 12 Inorganic Chemistry Lecture 2 | JEE NEET |ChembyKKSir
Internal Energy & Enthalpy Explained | Thermodynamics & Thermochemistry Lecture | JEE NEET CBSE
Chemical Bonding Lecture 4| Exclusive 6 Rules to Draw Covalent Molecules & Ions Structures
How to Study Inorganic Chemistry | Class 12 CBSE | JEE Main | JEE Advanced | NEET🎓 (ChembyKKSir)
📘 Lecture 4 – Thermodynamics & Thermochemistry Series by Krishna Kumar Sah (ChembyKKSir)
Chemical Bonding Lecture 3 (Part 2) | Exclusive 6 Rules to Draw Covalent Molecules & Ions Structures
📘 L3 P1Adiabatic & Isothermal Reversible & Irreversible Process | Graph&Slope | JEE NEET
📘 Lecture 3 (Part-2) – Thermodynamics & Thermochemistry Series by Krishna Kumar Sah (ChembyKKSir)
Chemical Bonding Lecture 3 (Part 1) | Exclusive 6 Rules to Draw Covalent Molecules & Ions Structures
Amines Class 12 Lecture2[part-2]| Chemical Reactions of Amines & Aniline| JEE • NEET •| ChemByKKSir
Diazonium Salt Reactions of Aniline | Retention & Removal of Diazo Group | ChemByKKSir
Organic Chemistry Lecture 6 | Prefixes, Substituents & Junior Functional Groups | JEE • NEET | CBSE
Amines Class 12 Lecture 2[part-1]|Chemical Reactions of Amines | JEE • NEET • NCERT | ChemByKKSir
Amines Conversions Class 12 | Ethylamine ↔ Methylamine | JEE • NEET • NCERT | ChemByKKSir
Chemical Bonding Lecture 2 (Part 2) | Exclusive 6 Rules to Draw Covalent Molecules & Ions Structures
Chemical Bonding Lecture 2 (Part 1) | Why Chemical Bonds Form, Octet Rule, Bond Energy Explained
Amines Class 12 Lecture 1 | Preparation of Amines & Aniline | JEE • NEET • NCERT | ChemByKKSir
“Bridging the gap between home and school! 🏫✨ Our teachers at Euro #JEE #NEET PCMC shared insights
Organic Chemistry Lecture 5 | Naming of Side Chains & Substituents (IUPAC Nomenclature Basics)
📚 HEAT EXCHANGE in Thermodynamics - Full Concept Explained (Class 11 Chemistry)
Chemical Bonding Lecture 1 P2 | Covalent Bond & Lewis Structure | JEE Main + CBSE Class 11
📚 HEAT EXCHANGE in Thermodynamics - Full Concept Explained (Class 11 Chemistry)
📚 Work Done in Thermodynamics - Full Concept Explained (Class 11 Chemistry)
📚 Work Done in Thermodynamics - Full Concept Explained (Class 11 Chemistry)
Chemical Bonding Lecture 1 P1| Introduction & Types of Bonds | JEE + NEET + CBSE 11 | ChembyKKSir
Periodic Table Full Chapter – Chemical Properties, Oxides, Hydrides & Oxyacids | NEET JEE Chemistry”
“Aldol Reaction Masterclass 🧪 | Self, Cross, Intramolecular | JEE, NEET, CBSE Class 12 Chemistry”
Cannizzaro Reaction | Complete Organic Chemistry Lecture| Class 12 CBSE | JEE Main & Advanced | NEET
🧪 Reduction of Organic Compounds in ONE SHOT | Class 11 & 12 Chemistry | NEET | JEE Main & Advanced