Last Updated on April 17, 2024 by XAM CONTENT
Hello students, we are providing assertion reason questions for class 8 science. Assertion reason questions are the new question format that is introduced in CBSE board. The resources for assertion reason questions are very less. So, to help students we have created chapterwise assertion reason questions for class 8 science. In this article, you will find assertion reason questions for cbse class 8 science chapter 3 coal and petroleum.
| Chapter | Coal and Petroleum |
| Type of Questions | Assertion Reason Questions |
| Nature of Questions | Competency Based Questions |
| Board | CBSE |
| Class | 8 |
| Subject | Science |
| Useful for | Class 8 Studying Students |
| Answers provided | Yes |
| Difficulty level | Mentioned |
| Important Link | Class 8 Science Chapterwise Assertion Reason |
Assertion Reason Questions on Coal and Petroleum
Questions:
Q.1. Assertion (A): CNG is a better fuel than Coal. Reason (R): CNG causes less pollution. (Medium)
(a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A)
(c) Assertion (A) is true but reason (R) is false.
(d) Assertion (A) is false but reason (R) is true.
Difficulty Level: Medium
Ans. Option (a) is correct.
Explanation: Compressed Natural Gas (CNG) burns almost without smoke also does not produce any poisonous gases. Hence it does not cause air pollution. While burning of petroleum produces various harmful gases like carbon-monoxide. Therefore CNG considered as better fuel than petrol.
Also read: Coal and Petroleum Case Study Questions Class 8 Science
Q.2. Assertion (A): Sunlight is an exhaustible natural resource.
Reason (R): Sun will continue radiate energy for the so far.
(Medium)
(a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A)
(c) Assertion (A) is true but reason (R) is false.
(d) Assertion (A) is false but reason (R) is true.
Difficulty Level: Medium
Ans. Option (d) is correct.
Explanation: Sun is an inexhaustible natural resource. These resources are present in unlimited quantity which cannot be exhausted by human activities. Sun will continue to emit energy indefinitely.
Also Check
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Topics from which assertion reason questions may be asked
- Discussing about the types of natural resources.
- Learning about fossil fuels.
- Learning about coal and the products we obtain from it.
- Understanding how petroleum was formed.
- Learning the importance of natural gas as fuel.
- Knowing the ways to save fossil fuels as they are exhaustible.
We require various materials to fulfill our basic needs. Some of them are found in nature and some have been made by human efforts. The various resources which are obtained from nature are called natural resources, e.g., air, water, soil, etc. This chapter deals with some of the natural resources and how they are useful to us.
For further practice on assertion reason questions related to Class 8 Science Chapter 3 Coal and Petroleum, we recommend exploring the link given below.
