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Coal and Petroleum Class 8 Science NCERT and Imp. Questions

What you will learn

Q.1: What are the advantages of using CNG and LPG as fuels? Q.2 : Name the petroleum product used for surfacing of roads.

Q.3: Describe how coal is formed from dead vegetation. What is this process called? Q.4: By way of Fill in the blanks, name of three fossil fuels etc.

Q.5. Tick True/False against the following statements. a) Fossil fuels can be made in the laboratory. (b) CNG is more polluting fuel than petrol. etc.

Q.6 Explain why fossil fuels are exhaustible natural resources. Q.7 Describe characteristics and uses of coke.

Q.8. Explain the process of formation of petroleum.

Q. 9. The following Table shows the total power shortage in India from 1991–1997. Show the data in the form of a graph.

IMPORTANT QUESTIONS: Q. 1. Sunlight and air are inexhaustible natural resources. Comment. Q.2. Write two important uses of coke.

Q.3. What steps would you suggest for the judicious use of fossil fuels? Q.4. Explain about coal tar. Q.5 Where do we get coal and how is it formed?

Q. 6. Define the term ‘petrochemicals’. Q.7. Name two products that you obtain from the destructive distillation of coal.

Q.8. Can forests help reduce the pollution caused by burning of fossil fuels? How? Q.9. None of the fuels is clean fuel. Comment.

Q. 10. Name some renewable sources of energy. Q.11. Give some examples of fossil fuels.

Q. 12 Name the elements present in coal. Q. 13 Which are the two main techniques of mining? Q.14 List four varieties of coal.

Q.15. Name the process of conversion of wood into coal. Q.16. Mention the temperature at which destructive distillation is done.

Q. 17. When the crude oil is referred to be ‘sweet’?

Q.18 Name the country which is the leading producer of petroleum. Q.19 Name the gas that occurs over petroleum in reservoirs deep inside the earth.

Q.20 Expand PCRA. Q.21 Name two fractions of petroleum which are used as fuel.

Q.22 What kind of pollution is caused by the burning of fossil fuels? Q.23 Write the full form of LPG.

Q.24 Which gas is produced when coal is burnt in air? Q.25 Can we use all our natural resources forever?

Q.26 What is the purest form of carbon? Q.27 What is fuel?


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Q.28. What other source of energy may be used to drive vehicles?

Q.29 Name three constituents of petroleum and write their uses also. Q.30 Can forests help reduce the pollution caused by burning of fossil fuels? How?

Q. 31 Radhey prefers to go to school by pooling car. What are the benefits of carpooling? (b) Which mean of transport do you think is best for short distances?

29 IMPORTANT FILL IN THE BLANKS

31 IMPORTANT MCQs

Description

Can air, water and soil be exhausted by human activities? You have already studied about water in Class VII. Is water a limitless resource? In the light of the availability of various resources in nature, natural resources can be broadly classified into two kinds: (i) Inexhaustible Natural Resources: These resources are present in unlimited quantity in nature and are not likely to be exhausted by human activities. Examples are: sunlight, air. (ii) Exhaustible Natural Resources: The amount of these resources in nature is limited. They can be exhausted by human activities. Examples of these resources are forests, wildlife, minerals, coal, petroleum, natural gas etc.

Can air, water and soil be exhausted by human activities? You have already studied about water in Class VII. Is water a limitless resource? In the light of the availability of various resources in nature, natural resources can be broadly classified into two kinds: (i) Inexhaustible Natural Resources: These resources are present in unlimited quantity in nature and are not likely to be exhausted by human activities. Examples are: sunlight, air. (ii) Exhaustible Natural Resources: The amount of these resources in nature is limited. They can be exhausted by human activities. Examples of these resources are forests, wildlife, minerals, coal, petroleum, natural gas etc.

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Introduction

Introduction

Coal and Petroleum NCERT Questions

Coal and Petroleum NCERT Questions

Important Questions relating to Coal and Petroleum

Important Questions relating to Coal and Petroleum

Important Fill in the Blanks relating to Coal and Petroleum

Important Fill in the Blanks relating to Coal and Petroleum

Important MCQs relating to Coal and Petroleum

Important MCQs relating to Coal and Petroleum