NCERT Important Questions Class 8 Science chapter 3 with Answer solution with pdf. Here We Provides Class 1 to 12 all Subjects NCERT Solution with Notes, Question Answer, CBSE and HBSE Important Questions, MCQ and old Question Papers for Students.
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CBSE and HBSE Solution of Class 8 Science chapter 3 coal and Petroleum important Questions And Answer solution.
Class 8 Science Chapter 3 Important Questions and Answer
Q.1 What is Natural Resources?
Ans – Those Resources that are obtained us from nature is called natural resources. Example- Coal, sunlight, petroleum, minerals and much more.
Q.2 What is Inexhaustible Natural Resources?
Ans – These resources are present in unlimited quantity and never ends is called inexhaustible natural resources. Example- Sunlight, air
Q.3 What is Exhaustible Natural Resources?
Ans – These resources are present in limited quantity and end with usage is called exhaustible natural resources. Example- Coal, Petroleum
Q.4 What is Fossil Fuels?
Ans – This type of fuel is obtained from the death of living organisms. such organisms take crore of years to convert them into fuel. This fuel is called fossil fuels. Example- Coal, Petroleum, Natural Gas.
Q.5 What Materials are obtained us after Burning of Coal?
Ans – We obtain Coke, Coal tar, and coal gas with a large amount of heat.
Q.6 What is Petroleum Refinery?
Ans – The Place where the Components of Petroleum are separates out are known as petroleum refinery.
Q.7 Why Coke is important Product of Coal? ( Most Important )
Ans – Coke is a tough, porous and black substance. It is used in the manufacturing of steel and in the Extraction of many metals.
Q.8 What is the Use of CNG?
Ans – CNG Stands for Compressed Natural Gas. CNG is used in vehicles as a fuel. This fuel is free from Environment pollution, so it is best for use.
Q.9 What products are obtained after the Refining of Petroleum?
Ans – After Refining of petroleum LPG, Petrol, Diesel, Kerosene, Lubricant oil, Paraffin Wax and Bitumen is obtained in high amount.
Q.10 Natural gas is found in which part of the country?
Ans – Natural gas is found in the Tripura, Rajasthan, Maharastra and Krishna Godawari delta.