Class 8ScienceCoal and Petroleum
Petroleum and Natural Gas
Petroleum (crude oil): mixture of hydrocarbons. Found deep underground. Extracted by drilling. Refining by fractional distillation in refineries: separated into different fractions: LPG (cooking gas), petrol/gasoline (cars), kerosene (jet fuel, lamps), diesel (trucks, buses), lubricating oil, paraffin wax (candles), bitumen (roads, waterproofing). India: major oil fields in Assam, Gujarat, Mumbai High.
10 examples
Concept check 1
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on concept check and show the working clearly.
Definition to application 2
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on definition to application and show the working clearly.
Formula warm-up 3
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on formula warm-up and show the working clearly.
Reasoning practice 4
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on reasoning practice and show the working clearly.
Board-style short answer 5
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on board-style short answer and show the working clearly.
Mistake correction 6
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on mistake correction and show the working clearly.
Visual interpretation 7
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on visual interpretation and show the working clearly.
Applied word problem 8
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on applied word problem and show the working clearly.
Revision challenge 9
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on revision challenge and show the working clearly.
Exam recap 10
For Class 8 Science, explain or solve a petroleum and natural gas question from the chapter "Coal and Petroleum". Focus on exam recap and show the working clearly.