Toppers Study Toppers Study Toppers StudyGet complete NCERT Solutions for 8 Science 5. Coal And Petroleum with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Get complete NCERT Solutions for 8 Science 5. Coal And Petroleum with detailed explanations. Easy-to-understand answers to help students study effectively and score better.
Preparing for exams becomes easier with Text Book Exercise . Whether you are studying for board exams or mid-term exams, 8 Science Chapter 5. Coal And Petroleum solutions provide quick revising points, well-structured answers, and additional practice material to help you score better.
ncert_solutionsQ5. 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)
Answer : (a) (F), (b) (F), (c) (T), (d) (T), (e) (F).
Q6. Explain why fossil fuels are exhaustible natural resources.
Answer : Fossil fuels are present in nature in limited quantity and are being exhausted abundantly by us. That is why fossil fuels are called exhaustible natural resources.
Q7. Describe characteristics and uses of coke.
Answer : Coke is a tough porous black substance. It is almost pure form of carbon. It is used in the manufacture of steel and in the extraction of many metals.
Q8. Explain the process of formation of petroleum.
Answer : Petroleum is formed from organisms living in the sea. When these organisms died, their bodies settled and the bottom of the sea and got coverd with layers of sand and clay. Over millions of years, they were transformed into petroleum, oil and natural gas under the absence of air and presense of high temperature and high pressure.
Text Book Exercise are created by experts to give step-by-step explanations. Around 60–70% of exam questions are based on NCERT concepts. Our 8 Science Chapter 5. Coal And Petroleum solutions help you understand the core concepts and practice effectively.
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Our Text Book Exercise are useful for both board exams and mid-term exams. For 8 Science, we provide notes, exercises, and important Q&A so that you can revise smartly and write perfect answers in exams.
In short, Text Book Exercise for 8 Science Chapter 5. Coal And Petroleum are a complete study package. With quick revising points, NCERT exercises, and additional important questions, you can prepare effectively for exams. Make these solutions your study companion and excel in your academic journey.
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