
Natural Gas & Petroleum
In this lecture, we will study Natural Gas NG, CNG, LNG and Petroleum with their definition, composition, uses, formation, and industrial importance. This topic is very important for Class 12 Chemistry Board Exams as well as MDCAT, NEET, JEE, and ECAT preparation.
🔹 Topics Covered in This Lecture:
Natural Gas NG, CNG, LNG
Definition: Gaseous mixture of low boiling hydrocarbons mainly CH₄
Composition: CH₄, C₂H₆, C₃H₈, C₄H₁₀, H₂, N₂, H₂S, He, etc.
Uses: Cement & fertilizer industries, fuel (domestic, automobiles, industries, source of O.C.
Formation: Decomposition of dead organic matter sedimentary rocks
Petroleum Crude Oil, Rock Oil
Definition: Mineral oil in refined form Black Gold Liquid Gold
Composition: Mixture of alkanes, cycloalkanes, and aromatics up to C₄₀
Formation: From remains of marine animals and plants through biochemical and chemical processes
Fractional Distillation of Petroleum
Separation based on boiling point
Fractions and their uses:
✅ Natural Gas, Petroleum Ether, Naphtha 220°C – Fuel & Petrochemicals
✅ Gasoline Petrol, 40–220°C – Motor Fuel
✅ Kerosene 175–325°C – Jet & Heating Fuel
✅ Gas Oil Diesel, 275°C – Diesel & Heating Fuel
✅ Lubricating Oil, Paraffin, Asphalt, Petroleum Coke – Industrial uses
✅ Residue C₂₃–C₂₉ – Wax products, roofing, paving, fuel
✅ Best for:
Class 12 / XII Chemistry Students
FSc, CBSE, ICSE, Board Exams
MDCAT, NEET, JEE, ECAT Aspirants
Quick revision of Organic Chemistry topics
CBSE, CISCE (ISC), NIOS
IB, IGCSE
• Board of Intermediate Education, Andhra Pradesh
• Assam Higher Secondary Education Council
• Bihar School Examination Board
• Chhattisgarh Board of Secondary Education
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• Gujarat Secondary & Higher Secondary Education Board
• Haryana Board of School Education
• Himachal Pradesh Board of School Education
• Jammu & Kashmir State Board of School Education
• Jharkhand Academic Council
• KSEAB
• Kerala Board of Higher Secondary Education
• Maharashtra State Board of Secondary & Higher Secondary Education
• Madhya Pradesh Board of Secondary Education
• Council of Higher Secondary Education, Manipur
• Meghalaya Board of School Education
• Mizoram Board of School Education
• Nagaland Board of School Education
• Council of Higher Secondary Education, Odisha
• Punjab School Education Board
• Board of Secondary Education, Rajasthan
• Tamil Nadu State Board (Board of Higher Secondary Examinations)
• Tripura Board of Secondary Education
• Uttar Pradesh State Board of High School & Intermediate Education
• Uttarakhand Board of School Education
• West Bengal Council of Higher Secondary Education
• Board of Intermediate and Secondary Education, Barisal
• Board of Intermediate and Secondary Education, Chattogram (Chittagong)
• Board of Intermediate and Secondary Education, Cumilla
• Board of Intermediate and Secondary Education, Dhaka
• Board of Intermediate and Secondary Education, Dinajpur
• Board of Intermediate and Secondary Education, Jashore (Jessore)
• Board of Intermediate and Secondary Education, Mymensingh
• Board of Intermediate and Secondary Education, Rajshahi
• Board of Intermediate and Secondary Education, Sylhet
CBSE, JEE, NEET prep
CBSE, NCERT, JEE, NEET
Similar to top online learning platforms like Vedantu, Unacademy & PhysicsWallah, this lecture will help Class 12 students prepare effectively for CBSE, JEE, and NEET.”
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