CBSE Class 8 Science Chapter 3 Coal And Petroleum Very Short Answer Questions
Question 1. Give two natural resources. Why are these called natural resources?
Answer: Air and water are natural resources because they are obtained from nature.
Question 2. We will use all our natural resources forever. Is it possible?
Answer: No, we cannot use all our natural resources forever. Some natural resources are going to be exhausted.
” Coal And Petroleum Class 8 “
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Question 3. Can air, water, and soil be exhausted by human activities?
Answer: No, these will not be exhausted by human activities.
Question 4. Coal, petroleum, and natural gas are called fossil fuels. Why?
Answer: Coal, petroleum, and natural gas are called fossil fuels because they are formed by the decomposition of the remains of prehistoric plants and animals (fossils) buried under the Earth long ago.
” Cbse Class 8 Science Chapter 3 Vsaqs “
Question 5. What do you mean by carbonisation?
Answer: The slow process of conversion of dead vegetation into coal is called carbonisation.
” Exhaustible And Inexhaustible Resources “
Question 6. Name two fuels obtained from petroleum that can be used as domestic fuels.
Answer: Petrol, liquefied petroleum gas (LPG), as obtained from petroleum and can be used as a domestic fuel.
” Natural Resources Class 8 “
Question 7. Where is coal found in India?
Answer: In India, coal is found mainly in Jharkhand, West Bengal, Odisha, and Madhya Pradesh.
Question 8. How can you define Coke?
Answer: Coke is a tough, porous, and black substance and an almost pure form of carbon.