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NCERT solutions for Science [English] Class 8 chapter 3 - Coal and Petroleum [Latest edition]

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NCERT solutions for Science [English] Class 8 chapter 3 - Coal and Petroleum - Shaalaa.com
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Solutions for Chapter 3: Coal and Petroleum

Below listed, you can find solutions for Chapter 3 of CBSE NCERT for Science [English] Class 8.


Exercises
Exercises [Pages 38 - 39]

NCERT solutions for Science [English] Class 8 3 Coal and Petroleum Exercises [Pages 38 - 39]

Exercises | Q 1. | Page 38

What are the advantages of using CNG and LPG as fuels?

Exercises | Q 2. | Page 38

Name the petroleum product used for surfacing of roads.

Exercises | Q 3. | Page 38

Describe how coal is formed from dead vegetation. What is this process called?

Fill in the blanks.

Exercises | Q 4. (a) | Page 38

Fossil fuels are ______, ______ and ______.

Exercises | Q 4. (b) | Page 38

Process of separation of different constituents from petroleum is called ______.

Exercises | Q 4. (c) | Page 38

Least polluting fuel for vehicles is ______.

Write True/False from the following statements.

Exercises | Q 5. (a) | Page 38

Fossil fuels can be made in the laboratory.

  • True

  • False

Exercises | Q 5. (b) | Page 38

CNG is more polluting fuel than petrol.

  • True

  • False

Exercises | Q 5. (c) | Page 38

Coke is almost pure form of carbon.

  • True

  • False

Exercises | Q 5. (d) | Page 38

Coal tar is a mixture of various substances.

  • True

  • False

Exercises | Q 5. (e) | Page 38

Kerosene is not a fossil fuel.

  • True

  • False

Exercises | Q 6. | Page 38

Explain why fossil fuels are exhaustible natural resources.

Exercises | Q 7. (a) | Page 39

Describe characteristics of coke.

Exercises | Q 7. (b) | Page 39

Describe uses of coke.

Exercises | Q 8. | Page 39

Explain the process of formation of petroleum.

Exercises | Q 9. | Page 39

The following Table shows the total power shortage in India from 1991 − 1997. Show the data in the form of a graph. Plot shortage percentage for the years on the Y-axis and the year on the X-axis.

S. No Year Shortage (%)
1 1991 7.9
2 1992 7.8
3 1993 8.3
4 1994 7.4
5 1995 7.1
6 1996 9.2
7 1997 11.5

Solutions for 3: Coal and Petroleum

Exercises
NCERT solutions for Science [English] Class 8 chapter 3 - Coal and Petroleum - Shaalaa.com

NCERT solutions for Science [English] Class 8 chapter 3 - Coal and Petroleum

Shaalaa.com has the CBSE Mathematics Science [English] Class 8 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Science [English] Class 8 CBSE 3 (Coal and Petroleum) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Science [English] Class 8 chapter 3 Coal and Petroleum are Non-crystalline/Amorphous Forms: Coal, Petroleum, Natural Gas, Some Natural Resources Are Limited, Conventional energy resources or non-renewable energy resources, Carbon: a Versatile Element, Special Features of Carbon, Extraction of Coal, Non-crystalline/Amorphous Forms: Coke, Refining of Crude Petroleum, Non-crystalline/Amorphous Forms: Coal, Petroleum, Natural Gas, Some Natural Resources Are Limited, Conventional energy resources or non-renewable energy resources, Carbon: a Versatile Element, Special Features of Carbon, Extraction of Coal, Non-crystalline/Amorphous Forms: Coke, Refining of Crude Petroleum.

Using NCERT Science [English] Class 8 solutions Coal and Petroleum exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Science [English] Class 8 students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 3, Coal and Petroleum Science [English] Class 8 additional questions for Mathematics Science [English] Class 8 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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