Ncert Solutions for Class 8 Chapter 5 Science Exercise
NCERT Solutions Class 8 Science Chapter 5 Coal and Petroleum – Here are all the NCERT solutions for Class 8 Science Chapter 5. This solution contains questions, answers, images, explanations of the complete chapter 5 titled Coal and Petroleum From of Science taught in class 8. If you are a student of class 8 who is using NCERT Textbook to study Science, then you must come across chapter 5 Coal and Petroleum . After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 8 Science Chapter 5 Coal and Petroleum in one place.
NCERT Solutions Class 8 Science Chapter 5 Coal And Petroleum
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Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Science for Class 8 so that you can refer them as and when required. The NCERT Solutions to the questions after every unit of NCERT textbooks aimed at helping students solving difficult questions.
For a better understanding of this chapter, you should also see summary of Chapter 5 Coal And Petroleum , Science, Class 8.
| Class | 8 |
| Subject | Science |
| Book | Science |
| Chapter Number | 5 |
| Chapter Name | Coal And Petroleum |
NCERT Solutions Class 8 Science chapter 5 Coal And Petroleum
Class 8, Science chapter 5, Coal And Petroleum solutions are given below in PDF format. You can view them online or download PDF file for future use.
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Question & Answer
Q.1: What are the advantages of using CNG and LPG as fuels? Ans : The advantages of using compressed natural gas (CNG) and liquified petroleum gas (LPG) as fuels are: (i) They can be burnt directly. (ii) They can be transported easily through pipelines. (iii) They are clean fuels and do not give smoke when burnt. (iv) They give a lot of heat energy when burnt.
Q.2: Name the petroleum product used for surfacing of roads. Ans : Bitumen, a petroleum product, is used for surfacing roads.
Q.3: Describe how coal is formed from dead vegetation. What is this process called? Ans : Millions of years ago, dense forests got buried under the soil due to natural processes like storms, floods, and earthquakes. These got compressed as more and more soil got deposited over them. When they got buried deep in the soil, they were exposed to very high pressure and temperature. Under these conditions, these slowly got converted into coal. This process of formation of coal from dead vegetation is called carbonization.
Q.4: Fill in the blanks. (a) Fossil fuels are________ ,________ and ___________. (b) Process of separation of different constituents from petroleum is called _________ . (c) Least polluting fuel for vehicle is __________. Ans : (a) Fossil fuels are coal, petroleum and natural gas (b) Process of separation of different constituents from petroleum is called refining (c) Least polluting fuel for vehicles is compressed natural gas (CNG)
Q.5: Tick True/False against the following statements. (a) Fossil fuels can be made in the laboratory. (T/F) (b) CNG is more polluting fuel than petrol. (T/F) (c) Coke is almost pure form of carbon. (T/F) (d) Coal tar is a mixture of various substances. (T/F) (e) Kerosene is not a fossil fuel. (T/F) Ans : (a) Fossil fuels can be made in the laboratory. (F) (b) CNG is more polluting fuel than petrol. (F) (c) Coke is almost pure form of carbon. (T) (d) Coal tar is a mixture of various substances. (T) (e) Kerosene is not a fossil fuel. (F)
NCERT / CBSE Book for Class 8 Science
You can download the NCERT Book for Class 8 Science in PDF format for free. Otherwise you can also buy it easily online.
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All NCERT Solutions Class 8
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Ncert Solutions for Class 8 Chapter 5 Science Exercise
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